Home / 460,042.27-690,023.76-280,081.10

Finding the Fourth Proportional to 460,042.27, 690,023.76 and 280,081.10

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Solution

The fourth proportional to 460,042.27, 690,023.76 and 280,081.10 is: 420,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,042.27 : 690,023.76 = 280,081.10 : x
  2. Step 2: Convert to fraction form
    460,042.27/690,023.76 = 280,081.10/x
  3. Step 3: Cross multiply
    460,042.27x = 690,023.76 × 280,081.10
  4. Step 4: Simplify right side
    460,042.27x = 193,262,614,036.46
  5. Step 5: Solve for x
    x = 193,262,614,036.46/460,042.27
  6. Step 6: Final answer
    x = 420,097.52

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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.