Home / 331,647.60-457,671.96-180,743.28

Finding the Fourth Proportional to 331,647.60, 457,671.96 and 180,743.28

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Solution

The fourth proportional to 331,647.60, 457,671.96 and 180,743.28 is: 249,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,647.60 : 457,671.96 = 180,743.28 : x
  2. Step 2: Convert to fraction form
    331,647.60/457,671.96 = 180,743.28/x
  3. Step 3: Cross multiply
    331,647.60x = 457,671.96 × 180,743.28
  4. Step 4: Simplify right side
    331,647.60x = 82,721,131,214.43
  5. Step 5: Solve for x
    x = 82,721,131,214.43/331,647.60
  6. Step 6: Final answer
    x = 249,424.78

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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.