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Finding the Fourth Proportional to 250,193.76, 375,234.35 and 115,128.27

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Solution

The fourth proportional to 250,193.76, 375,234.35 and 115,128.27 is: 172,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,193.76 : 375,234.35 = 115,128.27 : x
  2. Step 2: Convert to fraction form
    250,193.76/375,234.35 = 115,128.27/x
  3. Step 3: Cross multiply
    250,193.76x = 375,234.35 × 115,128.27
  4. Step 4: Simplify right side
    250,193.76x = 43,200,081,560.07
  5. Step 5: Solve for x
    x = 43,200,081,560.07/250,193.76
  6. Step 6: Final answer
    x = 172,666.50

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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.