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Finding the Fourth Proportional to 226,251.76, 312,333.56 and 130,739.80

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Solution

The fourth proportional to 226,251.76, 312,333.56 and 130,739.80 is: 180,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,251.76 : 312,333.56 = 130,739.80 : x
  2. Step 2: Convert to fraction form
    226,251.76/312,333.56 = 130,739.80/x
  3. Step 3: Cross multiply
    226,251.76x = 312,333.56 × 130,739.80
  4. Step 4: Simplify right side
    226,251.76x = 40,834,427,167.69
  5. Step 5: Solve for x
    x = 40,834,427,167.69/226,251.76
  6. Step 6: Final answer
    x = 180,482.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.