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Finding the Fourth Proportional to 216,132.72, 298,312.92 and 126,737.52

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Solution

The fourth proportional to 216,132.72, 298,312.92 and 126,737.52 is: 174,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,132.72 : 298,312.92 = 126,737.52 : x
  2. Step 2: Convert to fraction form
    216,132.72/298,312.92 = 126,737.52/x
  3. Step 3: Cross multiply
    216,132.72x = 298,312.92 × 126,737.52
  4. Step 4: Simplify right side
    216,132.72x = 37,807,439,664.76
  5. Step 5: Solve for x
    x = 37,807,439,664.76/216,132.72
  6. Step 6: Final answer
    x = 174,926.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.