Home / 451,935.20-677,960.40-171,532.64

Finding the Fourth Proportional to 451,935.20, 677,960.40 and 171,532.64

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Solution

The fourth proportional to 451,935.20, 677,960.40 and 171,532.64 is: 257,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,935.20 : 677,960.40 = 171,532.64 : x
  2. Step 2: Convert to fraction form
    451,935.20/677,960.40 = 171,532.64/x
  3. Step 3: Cross multiply
    451,935.20x = 677,960.40 × 171,532.64
  4. Step 4: Simplify right side
    451,935.20x = 116,292,337,227.46
  5. Step 5: Solve for x
    x = 116,292,337,227.46/451,935.20
  6. Step 6: Final answer
    x = 257,320.82

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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.