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Finding the Fourth Proportional to 498,757.15, 748,240.93 and 161,771.63

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Solution

The fourth proportional to 498,757.15, 748,240.93 and 161,771.63 is: 242,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,757.15 : 748,240.93 = 161,771.63 : x
  2. Step 2: Convert to fraction form
    498,757.15/748,240.93 = 161,771.63/x
  3. Step 3: Cross multiply
    498,757.15x = 748,240.93 × 161,771.63
  4. Step 4: Simplify right side
    498,757.15x = 121,044,154,878.82
  5. Step 5: Solve for x
    x = 121,044,154,878.82/498,757.15
  6. Step 6: Final answer
    x = 242,691.57

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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.