Home / 288,228.12-432,357.90-119,765.46

Finding the Fourth Proportional to 288,228.12, 432,357.90 and 119,765.46

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Solution

The fourth proportional to 288,228.12, 432,357.90 and 119,765.46 is: 179,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,228.12 : 432,357.90 = 119,765.46 : x
  2. Step 2: Convert to fraction form
    288,228.12/432,357.90 = 119,765.46/x
  3. Step 3: Cross multiply
    288,228.12x = 432,357.90 × 119,765.46
  4. Step 4: Simplify right side
    288,228.12x = 51,781,542,778.13
  5. Step 5: Solve for x
    x = 51,781,542,778.13/288,228.12
  6. Step 6: Final answer
    x = 179,654.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.