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Finding the Fourth Proportional to 240,864.60, 332,333.10 and 138,921.24

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Solution

The fourth proportional to 240,864.60, 332,333.10 and 138,921.24 is: 191,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,864.60 : 332,333.10 = 138,921.24 : x
  2. Step 2: Convert to fraction form
    240,864.60/332,333.10 = 138,921.24/x
  3. Step 3: Cross multiply
    240,864.60x = 332,333.10 × 138,921.24
  4. Step 4: Simplify right side
    240,864.60x = 46,168,126,345.04
  5. Step 5: Solve for x
    x = 46,168,126,345.04/240,864.60
  6. Step 6: Final answer
    x = 191,676.68

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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.