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Finding the Fourth Proportional to 425,497.98, 587,169.93 and 231,901.59

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Solution

The fourth proportional to 425,497.98, 587,169.93 and 231,901.59 is: 320,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,497.98 : 587,169.93 = 231,901.59 : x
  2. Step 2: Convert to fraction form
    425,497.98/587,169.93 = 231,901.59/x
  3. Step 3: Cross multiply
    425,497.98x = 587,169.93 × 231,901.59
  4. Step 4: Simplify right side
    425,497.98x = 136,165,640,367.19
  5. Step 5: Solve for x
    x = 136,165,640,367.19/425,497.98
  6. Step 6: Final answer
    x = 320,014.78

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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.