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Finding the Fourth Proportional to 225,950.27, 338,925.29 and 85,708.89

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Solution

The fourth proportional to 225,950.27, 338,925.29 and 85,708.89 is: 128,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,950.27 : 338,925.29 = 85,708.89 : x
  2. Step 2: Convert to fraction form
    225,950.27/338,925.29 = 85,708.89/x
  3. Step 3: Cross multiply
    225,950.27x = 338,925.29 × 85,708.89
  4. Step 4: Simplify right side
    225,950.27x = 29,048,909,970.28
  5. Step 5: Solve for x
    x = 29,048,909,970.28/225,950.27
  6. Step 6: Final answer
    x = 128,563.29

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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.