Home / 240,789.78-332,292.36-145,278.04

Finding the Fourth Proportional to 240,789.78, 332,292.36 and 145,278.04

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Solution

The fourth proportional to 240,789.78, 332,292.36 and 145,278.04 is: 200,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,789.78 : 332,292.36 = 145,278.04 : x
  2. Step 2: Convert to fraction form
    240,789.78/332,292.36 = 145,278.04/x
  3. Step 3: Cross multiply
    240,789.78x = 332,292.36 × 145,278.04
  4. Step 4: Simplify right side
    240,789.78x = 48,274,782,767.77
  5. Step 5: Solve for x
    x = 48,274,782,767.77/240,789.78
  6. Step 6: Final answer
    x = 200,485.18

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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.