Home / 226,947.60-340,421.40-138,374.10

Finding the Fourth Proportional to 226,947.60, 340,421.40 and 138,374.10

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Solution

The fourth proportional to 226,947.60, 340,421.40 and 138,374.10 is: 207,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,947.60 : 340,421.40 = 138,374.10 : x
  2. Step 2: Convert to fraction form
    226,947.60/340,421.40 = 138,374.10/x
  3. Step 3: Cross multiply
    226,947.60x = 340,421.40 × 138,374.10
  4. Step 4: Simplify right side
    226,947.60x = 47,105,504,845.74
  5. Step 5: Solve for x
    x = 47,105,504,845.74/226,947.60
  6. Step 6: Final answer
    x = 207,561.15

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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.