Home / 282,458.08-423,758.40-132,670.72

Finding the Fourth Proportional to 282,458.08, 423,758.40 and 132,670.72

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Solution

The fourth proportional to 282,458.08, 423,758.40 and 132,670.72 is: 199,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,458.08 : 423,758.40 = 132,670.72 : x
  2. Step 2: Convert to fraction form
    282,458.08/423,758.40 = 132,670.72/x
  3. Step 3: Cross multiply
    282,458.08x = 423,758.40 × 132,670.72
  4. Step 4: Simplify right side
    282,458.08x = 56,220,332,034.05
  5. Step 5: Solve for x
    x = 56,220,332,034.05/282,458.08
  6. Step 6: Final answer
    x = 199,039.56

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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.