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Finding the Fourth Proportional to 485,227.48, 669,605 and 270,362.92

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Solution

The fourth proportional to 485,227.48, 669,605 and 270,362.92 is: 373,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,227.48 : 669,605 = 270,362.92 : x
  2. Step 2: Convert to fraction form
    485,227.48/669,605 = 270,362.92/x
  3. Step 3: Cross multiply
    485,227.48x = 669,605 × 270,362.92
  4. Step 4: Simplify right side
    485,227.48x = 181,036,363,046.60
  5. Step 5: Solve for x
    x = 181,036,363,046.60/485,227.48
  6. Step 6: Final answer
    x = 373,095.86

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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.