Home / 427,582.14-641,559.24-268,023.72

Finding the Fourth Proportional to 427,582.14, 641,559.24 and 268,023.72

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Solution

The fourth proportional to 427,582.14, 641,559.24 and 268,023.72 is: 402,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,582.14 : 641,559.24 = 268,023.72 : x
  2. Step 2: Convert to fraction form
    427,582.14/641,559.24 = 268,023.72/x
  3. Step 3: Cross multiply
    427,582.14x = 641,559.24 × 268,023.72
  4. Step 4: Simplify right side
    427,582.14x = 171,953,094,105.17
  5. Step 5: Solve for x
    x = 171,953,094,105.17/427,582.14
  6. Step 6: Final answer
    x = 402,152.19

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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.