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Finding the Fourth Proportional to 334,366.60, 501,587.96 and 121,234.88

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Solution

The fourth proportional to 334,366.60, 501,587.96 and 121,234.88 is: 181,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,366.60 : 501,587.96 = 121,234.88 : x
  2. Step 2: Convert to fraction form
    334,366.60/501,587.96 = 121,234.88/x
  3. Step 3: Cross multiply
    334,366.60x = 501,587.96 × 121,234.88
  4. Step 4: Simplify right side
    334,366.60x = 60,809,956,787.84
  5. Step 5: Solve for x
    x = 60,809,956,787.84/334,366.60
  6. Step 6: Final answer
    x = 181,866.12

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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.