Home / 421,591.92-581,784.48-230,601.18

Finding the Fourth Proportional to 421,591.92, 581,784.48 and 230,601.18

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Solution

The fourth proportional to 421,591.92, 581,784.48 and 230,601.18 is: 318,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,591.92 : 581,784.48 = 230,601.18 : x
  2. Step 2: Convert to fraction form
    421,591.92/581,784.48 = 230,601.18/x
  3. Step 3: Cross multiply
    421,591.92x = 581,784.48 × 230,601.18
  4. Step 4: Simplify right side
    421,591.92x = 134,160,187,593.69
  5. Step 5: Solve for x
    x = 134,160,187,593.69/421,591.92
  6. Step 6: Final answer
    x = 318,222.86

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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.