Home / 309,103.21-463,743.38-151,377.85

Finding the Fourth Proportional to 309,103.21, 463,743.38 and 151,377.85

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Solution

The fourth proportional to 309,103.21, 463,743.38 and 151,377.85 is: 227,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,103.21 : 463,743.38 = 151,377.85 : x
  2. Step 2: Convert to fraction form
    309,103.21/463,743.38 = 151,377.85/x
  3. Step 3: Cross multiply
    309,103.21x = 463,743.38 × 151,377.85
  4. Step 4: Simplify right side
    309,103.21x = 70,200,475,816.13
  5. Step 5: Solve for x
    x = 70,200,475,816.13/309,103.21
  6. Step 6: Final answer
    x = 227,110.15

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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.