Home / 240,790.32-332,293.08-145,278.56

Finding the Fourth Proportional to 240,790.32, 332,293.08 and 145,278.56

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Solution

The fourth proportional to 240,790.32, 332,293.08 and 145,278.56 is: 200,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,790.32 : 332,293.08 = 145,278.56 : x
  2. Step 2: Convert to fraction form
    240,790.32/332,293.08 = 145,278.56/x
  3. Step 3: Cross multiply
    240,790.32x = 332,293.08 × 145,278.56
  4. Step 4: Simplify right side
    240,790.32x = 48,275,061,535.89
  5. Step 5: Solve for x
    x = 48,275,061,535.89/240,790.32
  6. Step 6: Final answer
    x = 200,485.89

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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.