Home / 240,748.48-332,270.40-137,382.88

Finding the Fourth Proportional to 240,748.48, 332,270.40 and 137,382.88

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Solution

The fourth proportional to 240,748.48, 332,270.40 and 137,382.88 is: 189,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,748.48 : 332,270.40 = 137,382.88 : x
  2. Step 2: Convert to fraction form
    240,748.48/332,270.40 = 137,382.88/x
  3. Step 3: Cross multiply
    240,748.48x = 332,270.40 × 137,382.88
  4. Step 4: Simplify right side
    240,748.48x = 45,648,264,490.75
  5. Step 5: Solve for x
    x = 45,648,264,490.75/240,748.48
  6. Step 6: Final answer
    x = 189,609.77

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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.