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Finding the Fourth Proportional to 540,737.70, 811,097.63 and 161,659.32

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Solution

The fourth proportional to 540,737.70, 811,097.63 and 161,659.32 is: 242,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,737.70 : 811,097.63 = 161,659.32 : x
  2. Step 2: Convert to fraction form
    540,737.70/811,097.63 = 161,659.32/x
  3. Step 3: Cross multiply
    540,737.70x = 811,097.63 × 161,659.32
  4. Step 4: Simplify right side
    540,737.70x = 131,121,491,319.41
  5. Step 5: Solve for x
    x = 131,121,491,319.41/540,737.70
  6. Step 6: Final answer
    x = 242,486.31

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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.