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Finding the Fourth Proportional to 259,086.98, 388,630.47 and 101,204.71

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Solution

The fourth proportional to 259,086.98, 388,630.47 and 101,204.71 is: 151,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,086.98 : 388,630.47 = 101,204.71 : x
  2. Step 2: Convert to fraction form
    259,086.98/388,630.47 = 101,204.71/x
  3. Step 3: Cross multiply
    259,086.98x = 388,630.47 × 101,204.71
  4. Step 4: Simplify right side
    259,086.98x = 39,331,234,013.51
  5. Step 5: Solve for x
    x = 39,331,234,013.51/259,086.98
  6. Step 6: Final answer
    x = 151,807.07

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Similar ratio
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1.5x scale

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.