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Finding the Fourth Proportional to 230,737.80, 318,440.46 and 140,072.76

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Solution

The fourth proportional to 230,737.80, 318,440.46 and 140,072.76 is: 193,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,737.80 : 318,440.46 = 140,072.76 : x
  2. Step 2: Convert to fraction form
    230,737.80/318,440.46 = 140,072.76/x
  3. Step 3: Cross multiply
    230,737.80x = 318,440.46 × 140,072.76
  4. Step 4: Simplify right side
    230,737.80x = 44,604,834,127.87
  5. Step 5: Solve for x
    x = 44,604,834,127.87/230,737.80
  6. Step 6: Final answer
    x = 193,313.94

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1.5x scale

Why These Related Problems?

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