Home / 288,321.04-432,319.60-119,727.94

Finding the Fourth Proportional to 288,321.04, 432,319.60 and 119,727.94

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Solution

The fourth proportional to 288,321.04, 432,319.60 and 119,727.94 is: 179,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,321.04 : 432,319.60 = 119,727.94 : x
  2. Step 2: Convert to fraction form
    288,321.04/432,319.60 = 119,727.94/x
  3. Step 3: Cross multiply
    288,321.04x = 432,319.60 × 119,727.94
  4. Step 4: Simplify right side
    288,321.04x = 51,760,735,129.62
  5. Step 5: Solve for x
    x = 51,760,735,129.62/288,321.04
  6. Step 6: Final answer
    x = 179,524.65

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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.