Home / 331,566.20-457,561.20-180,663.20

Finding the Fourth Proportional to 331,566.20, 457,561.20 and 180,663.20

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Solution

The fourth proportional to 331,566.20, 457,561.20 and 180,663.20 is: 249,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,566.20 : 457,561.20 = 180,663.20 : x
  2. Step 2: Convert to fraction form
    331,566.20/457,561.20 = 180,663.20/x
  3. Step 3: Cross multiply
    331,566.20x = 457,561.20 × 180,663.20
  4. Step 4: Simplify right side
    331,566.20x = 82,664,470,587.84
  5. Step 5: Solve for x
    x = 82,664,470,587.84/331,566.20
  6. Step 6: Final answer
    x = 249,315.13

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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.