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Finding the Fourth Proportional to 514,367.46, 771,269.31 and 159,282.90

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Solution

The fourth proportional to 514,367.46, 771,269.31 and 159,282.90 is: 238,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,367.46 : 771,269.31 = 159,282.90 : x
  2. Step 2: Convert to fraction form
    514,367.46/771,269.31 = 159,282.90/x
  3. Step 3: Cross multiply
    514,367.46x = 771,269.31 × 159,282.90
  4. Step 4: Simplify right side
    514,367.46x = 122,850,012,377.80
  5. Step 5: Solve for x
    x = 122,850,012,377.80/514,367.46
  6. Step 6: Final answer
    x = 238,837.06

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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.