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Finding the Fourth Proportional to 240,586.29, 332,020.89 and 138,627.72

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Solution

The fourth proportional to 240,586.29, 332,020.89 and 138,627.72 is: 191,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,586.29 : 332,020.89 = 138,627.72 : x
  2. Step 2: Convert to fraction form
    240,586.29/332,020.89 = 138,627.72/x
  3. Step 3: Cross multiply
    240,586.29x = 332,020.89 × 138,627.72
  4. Step 4: Simplify right side
    240,586.29x = 46,027,298,973.07
  5. Step 5: Solve for x
    x = 46,027,298,973.07/240,586.29
  6. Step 6: Final answer
    x = 191,313.06

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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.