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Finding the Fourth Proportional to 250,339.28, 375,532.01 and 81,860.47

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Solution

The fourth proportional to 250,339.28, 375,532.01 and 81,860.47 is: 122,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,339.28 : 375,532.01 = 81,860.47 : x
  2. Step 2: Convert to fraction form
    250,339.28/375,532.01 = 81,860.47/x
  3. Step 3: Cross multiply
    250,339.28x = 375,532.01 × 81,860.47
  4. Step 4: Simplify right side
    250,339.28x = 30,741,226,429.34
  5. Step 5: Solve for x
    x = 30,741,226,429.34/250,339.28
  6. Step 6: Final answer
    x = 122,798.26

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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.