Home / 298,936,145.70-448,404,218.55-190,243,175.18

Finding the Fourth Proportional to 298,936,145.70, 448,404,218.55 and 190,243,175.18

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Solution

The fourth proportional to 298,936,145.70, 448,404,218.55 and 190,243,175.18 is: 285,364,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,145.70 : 448,404,218.55 = 190,243,175.18 : x
  2. Step 2: Convert to fraction form
    298,936,145.70/448,404,218.55 = 190,243,175.18/x
  3. Step 3: Cross multiply
    298,936,145.70x = 448,404,218.55 × 190,243,175.18
  4. Step 4: Simplify right side
    298,936,145.70x = 85,305,842,298,816,640
  5. Step 5: Solve for x
    x = 85,305,842,298,816,640/298,936,145.70
  6. Step 6: Final answer
    x = 285,364,762.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.