Home / 382,877.40-574,316.13-102,387.36

Finding the Fourth Proportional to 382,877.40, 574,316.13 and 102,387.36

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Solution

The fourth proportional to 382,877.40, 574,316.13 and 102,387.36 is: 153,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,877.40 : 574,316.13 = 102,387.36 : x
  2. Step 2: Convert to fraction form
    382,877.40/574,316.13 = 102,387.36/x
  3. Step 3: Cross multiply
    382,877.40x = 574,316.13 × 102,387.36
  4. Step 4: Simplify right side
    382,877.40x = 58,802,712,356.12
  5. Step 5: Solve for x
    x = 58,802,712,356.12/382,877.40
  6. Step 6: Final answer
    x = 153,581.05

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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.