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Finding the Fourth Proportional to 573,631.66, 860,449.11 and 174,275.74

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Solution

The fourth proportional to 573,631.66, 860,449.11 and 174,275.74 is: 261,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,631.66 : 860,449.11 = 174,275.74 : x
  2. Step 2: Convert to fraction form
    573,631.66/860,449.11 = 174,275.74/x
  3. Step 3: Cross multiply
    573,631.66x = 860,449.11 × 174,275.74
  4. Step 4: Simplify right side
    573,631.66x = 149,955,405,377.59
  5. Step 5: Solve for x
    x = 149,955,405,377.59/573,631.66
  6. Step 6: Final answer
    x = 261,414.10

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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.