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Finding the Fourth Proportional to 250,089.78, 375,193.17 and 72,600.18

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Solution

The fourth proportional to 250,089.78, 375,193.17 and 72,600.18 is: 108,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,089.78 : 375,193.17 = 72,600.18 : x
  2. Step 2: Convert to fraction form
    250,089.78/375,193.17 = 72,600.18/x
  3. Step 3: Cross multiply
    250,089.78x = 375,193.17 × 72,600.18
  4. Step 4: Simplify right side
    250,089.78x = 27,239,091,676.77
  5. Step 5: Solve for x
    x = 27,239,091,676.77/250,089.78
  6. Step 6: Final answer
    x = 108,917.25

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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.