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Finding the Fourth Proportional to 514,482.98, 771,753.62 and 159,547.46

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Solution

The fourth proportional to 514,482.98, 771,753.62 and 159,547.46 is: 239,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,482.98 : 771,753.62 = 159,547.46 : x
  2. Step 2: Convert to fraction form
    514,482.98/771,753.62 = 159,547.46/x
  3. Step 3: Cross multiply
    514,482.98x = 771,753.62 × 159,547.46
  4. Step 4: Simplify right side
    514,482.98x = 123,131,326,356.91
  5. Step 5: Solve for x
    x = 123,131,326,356.91/514,482.98
  6. Step 6: Final answer
    x = 239,330.23

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Similar ratio
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1.5x scale

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.