Home / 272,387.10-408,580.65-166,098.90

Finding the Fourth Proportional to 272,387.10, 408,580.65 and 166,098.90

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Solution

The fourth proportional to 272,387.10, 408,580.65 and 166,098.90 is: 249,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,387.10 : 408,580.65 = 166,098.90 : x
  2. Step 2: Convert to fraction form
    272,387.10/408,580.65 = 166,098.90/x
  3. Step 3: Cross multiply
    272,387.10x = 408,580.65 × 166,098.90
  4. Step 4: Simplify right side
    272,387.10x = 67,864,796,526.29
  5. Step 5: Solve for x
    x = 67,864,796,526.29/272,387.10
  6. Step 6: Final answer
    x = 249,148.35

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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.