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Finding the Fourth Proportional to 363,409.00, 545,070.57 and 97,190.15

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Solution

The fourth proportional to 363,409.00, 545,070.57 and 97,190.15 is: 145,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,409.00 : 545,070.57 = 97,190.15 : x
  2. Step 2: Convert to fraction form
    363,409.00/545,070.57 = 97,190.15/x
  3. Step 3: Cross multiply
    363,409.00x = 545,070.57 × 97,190.15
  4. Step 4: Simplify right side
    363,409.00x = 52,975,487,247.58
  5. Step 5: Solve for x
    x = 52,975,487,247.58/363,409.00
  6. Step 6: Final answer
    x = 145,773.74

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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.