Home / 417,235.20-625,826.88-132,918.72

Finding the Fourth Proportional to 417,235.20, 625,826.88 and 132,918.72

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Solution

The fourth proportional to 417,235.20, 625,826.88 and 132,918.72 is: 199,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,235.20 : 625,826.88 = 132,918.72 : x
  2. Step 2: Convert to fraction form
    417,235.20/625,826.88 = 132,918.72/x
  3. Step 3: Cross multiply
    417,235.20x = 625,826.88 × 132,918.72
  4. Step 4: Simplify right side
    417,235.20x = 83,184,107,831.19
  5. Step 5: Solve for x
    x = 83,184,107,831.19/417,235.20
  6. Step 6: Final answer
    x = 199,369.82

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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.