Home / 415,572.21-623,469.40-149,335.04

Finding the Fourth Proportional to 415,572.21, 623,469.40 and 149,335.04

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Solution

The fourth proportional to 415,572.21, 623,469.40 and 149,335.04 is: 224,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,572.21 : 623,469.40 = 149,335.04 : x
  2. Step 2: Convert to fraction form
    415,572.21/623,469.40 = 149,335.04/x
  3. Step 3: Cross multiply
    415,572.21x = 623,469.40 × 149,335.04
  4. Step 4: Simplify right side
    415,572.21x = 93,105,828,973.11
  5. Step 5: Solve for x
    x = 93,105,828,973.11/415,572.21
  6. Step 6: Final answer
    x = 224,042.48

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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.