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Finding the Fourth Proportional to 485,248.04, 669,635.52 and 270,397.16

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Solution

The fourth proportional to 485,248.04, 669,635.52 and 270,397.16 is: 373,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,248.04 : 669,635.52 = 270,397.16 : x
  2. Step 2: Convert to fraction form
    485,248.04/669,635.52 = 270,397.16/x
  3. Step 3: Cross multiply
    485,248.04x = 669,635.52 × 270,397.16
  4. Step 4: Simplify right side
    485,248.04x = 181,067,542,843.12
  5. Step 5: Solve for x
    x = 181,067,542,843.12/485,248.04
  6. Step 6: Final answer
    x = 373,144.31

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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.