Home / 240,861.30-332,346.35-137,448.28

Finding the Fourth Proportional to 240,861.30, 332,346.35 and 137,448.28

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Solution

The fourth proportional to 240,861.30, 332,346.35 and 137,448.28 is: 189,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,861.30 : 332,346.35 = 137,448.28 : x
  2. Step 2: Convert to fraction form
    240,861.30/332,346.35 = 137,448.28/x
  3. Step 3: Cross multiply
    240,861.30x = 332,346.35 × 137,448.28
  4. Step 4: Simplify right side
    240,861.30x = 45,680,434,171.78
  5. Step 5: Solve for x
    x = 45,680,434,171.78/240,861.30
  6. Step 6: Final answer
    x = 189,654.52

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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.