Home / 442,165.65-610,015.38-272,104.53

Finding the Fourth Proportional to 442,165.65, 610,015.38 and 272,104.53

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Solution

The fourth proportional to 442,165.65, 610,015.38 and 272,104.53 is: 375,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,165.65 : 610,015.38 = 272,104.53 : x
  2. Step 2: Convert to fraction form
    442,165.65/610,015.38 = 272,104.53/x
  3. Step 3: Cross multiply
    442,165.65x = 610,015.38 × 272,104.53
  4. Step 4: Simplify right side
    442,165.65x = 165,987,948,267.67
  5. Step 5: Solve for x
    x = 165,987,948,267.67/442,165.65
  6. Step 6: Final answer
    x = 375,397.66

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1.5x scale

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.