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Finding the Fourth Proportional to 323,534.48, 485,322.38 and 98,902.85

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Solution

The fourth proportional to 323,534.48, 485,322.38 and 98,902.85 is: 148,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,534.48 : 485,322.38 = 98,902.85 : x
  2. Step 2: Convert to fraction form
    323,534.48/485,322.38 = 98,902.85/x
  3. Step 3: Cross multiply
    323,534.48x = 485,322.38 × 98,902.85
  4. Step 4: Simplify right side
    323,534.48x = 47,999,766,056.27
  5. Step 5: Solve for x
    x = 47,999,766,056.27/323,534.48
  6. Step 6: Final answer
    x = 148,360.59

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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.