Home / 298,287.53-411,636.04-162,321.45

Finding the Fourth Proportional to 298,287.53, 411,636.04 and 162,321.45

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Solution

The fourth proportional to 298,287.53, 411,636.04 and 162,321.45 is: 224,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,287.53 : 411,636.04 = 162,321.45 : x
  2. Step 2: Convert to fraction form
    298,287.53/411,636.04 = 162,321.45/x
  3. Step 3: Cross multiply
    298,287.53x = 411,636.04 × 162,321.45
  4. Step 4: Simplify right side
    298,287.53x = 66,817,358,885.06
  5. Step 5: Solve for x
    x = 66,817,358,885.06/298,287.53
  6. Step 6: Final answer
    x = 224,003.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.