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Finding the Fourth Proportional to 421,437.42, 581,601.96 and 237,737.70

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Solution

The fourth proportional to 421,437.42, 581,601.96 and 237,737.70 is: 328,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,437.42 : 581,601.96 = 237,737.70 : x
  2. Step 2: Convert to fraction form
    421,437.42/581,601.96 = 237,737.70/x
  3. Step 3: Cross multiply
    421,437.42x = 581,601.96 × 237,737.70
  4. Step 4: Simplify right side
    421,437.42x = 138,268,712,285.89
  5. Step 5: Solve for x
    x = 138,268,712,285.89/421,437.42
  6. Step 6: Final answer
    x = 328,088.36

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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.