Home / 266,565.07-399,868.26-89,072.70

Finding the Fourth Proportional to 266,565.07, 399,868.26 and 89,072.70

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Solution

The fourth proportional to 266,565.07, 399,868.26 and 89,072.70 is: 133,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,565.07 : 399,868.26 = 89,072.70 : x
  2. Step 2: Convert to fraction form
    266,565.07/399,868.26 = 89,072.70/x
  3. Step 3: Cross multiply
    266,565.07x = 399,868.26 × 89,072.70
  4. Step 4: Simplify right side
    266,565.07x = 35,617,345,562.50
  5. Step 5: Solve for x
    x = 35,617,345,562.50/266,565.07
  6. Step 6: Final answer
    x = 133,615.95

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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.