Home / 288,456.11-432,839.08-120,092.65

Finding the Fourth Proportional to 288,456.11, 432,839.08 and 120,092.65

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Solution

The fourth proportional to 288,456.11, 432,839.08 and 120,092.65 is: 180,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,456.11 : 432,839.08 = 120,092.65 : x
  2. Step 2: Convert to fraction form
    288,456.11/432,839.08 = 120,092.65/x
  3. Step 3: Cross multiply
    288,456.11x = 432,839.08 × 120,092.65
  4. Step 4: Simplify right side
    288,456.11x = 51,980,792,140.76
  5. Step 5: Solve for x
    x = 51,980,792,140.76/288,456.11
  6. Step 6: Final answer
    x = 180,203.47

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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.