Home / 413,010.20-619,515.30-272,005.40

Finding the Fourth Proportional to 413,010.20, 619,515.30 and 272,005.40

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Solution

The fourth proportional to 413,010.20, 619,515.30 and 272,005.40 is: 408,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,010.20 : 619,515.30 = 272,005.40 : x
  2. Step 2: Convert to fraction form
    413,010.20/619,515.30 = 272,005.40/x
  3. Step 3: Cross multiply
    413,010.20x = 619,515.30 × 272,005.40
  4. Step 4: Simplify right side
    413,010.20x = 168,511,506,982.62
  5. Step 5: Solve for x
    x = 168,511,506,982.62/413,010.20
  6. Step 6: Final answer
    x = 408,008.10

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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.