Home / 220,455.20-330,686.64-62,687.84

Finding the Fourth Proportional to 220,455.20, 330,686.64 and 62,687.84

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Solution

The fourth proportional to 220,455.20, 330,686.64 and 62,687.84 is: 94,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,455.20 : 330,686.64 = 62,687.84 : x
  2. Step 2: Convert to fraction form
    220,455.20/330,686.64 = 62,687.84/x
  3. Step 3: Cross multiply
    220,455.20x = 330,686.64 × 62,687.84
  4. Step 4: Simplify right side
    220,455.20x = 20,730,031,178.46
  5. Step 5: Solve for x
    x = 20,730,031,178.46/220,455.20
  6. Step 6: Final answer
    x = 94,032.85

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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.