Home / 389,700.24-537,796.44-219,937.20

Finding the Fourth Proportional to 389,700.24, 537,796.44 and 219,937.20

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Solution

The fourth proportional to 389,700.24, 537,796.44 and 219,937.20 is: 303,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,700.24 : 537,796.44 = 219,937.20 : x
  2. Step 2: Convert to fraction form
    389,700.24/537,796.44 = 219,937.20/x
  3. Step 3: Cross multiply
    389,700.24x = 537,796.44 × 219,937.20
  4. Step 4: Simplify right side
    389,700.24x = 118,281,443,183.57
  5. Step 5: Solve for x
    x = 118,281,443,183.57/389,700.24
  6. Step 6: Final answer
    x = 303,519.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.