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Finding the Fourth Proportional to 614,943.60, 922,700.31 and 235,737.64

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Solution

The fourth proportional to 614,943.60, 922,700.31 and 235,737.64 is: 353,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,943.60 : 922,700.31 = 235,737.64 : x
  2. Step 2: Convert to fraction form
    614,943.60/922,700.31 = 235,737.64/x
  3. Step 3: Cross multiply
    614,943.60x = 922,700.31 × 235,737.64
  4. Step 4: Simplify right side
    614,943.60x = 217,515,193,506.67
  5. Step 5: Solve for x
    x = 217,515,193,506.67/614,943.60
  6. Step 6: Final answer
    x = 353,715.68

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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.