Home / 225,848.70-338,557.05-83,655.90

Finding the Fourth Proportional to 225,848.70, 338,557.05 and 83,655.90

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Solution

The fourth proportional to 225,848.70, 338,557.05 and 83,655.90 is: 125,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,848.70 : 338,557.05 = 83,655.90 : x
  2. Step 2: Convert to fraction form
    225,848.70/338,557.05 = 83,655.90/x
  3. Step 3: Cross multiply
    225,848.70x = 338,557.05 × 83,655.90
  4. Step 4: Simplify right side
    225,848.70x = 28,322,294,719.10
  5. Step 5: Solve for x
    x = 28,322,294,719.10/225,848.70
  6. Step 6: Final answer
    x = 125,403.84

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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.