Home / 331,827.84-457,928.64-180,930.24

Finding the Fourth Proportional to 331,827.84, 457,928.64 and 180,930.24

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Solution

The fourth proportional to 331,827.84, 457,928.64 and 180,930.24 is: 249,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,827.84 : 457,928.64 = 180,930.24 : x
  2. Step 2: Convert to fraction form
    331,827.84/457,928.64 = 180,930.24/x
  3. Step 3: Cross multiply
    331,827.84x = 457,928.64 × 180,930.24
  4. Step 4: Simplify right side
    331,827.84x = 82,853,138,738.07
  5. Step 5: Solve for x
    x = 82,853,138,738.07/331,827.84
  6. Step 6: Final answer
    x = 249,687.12

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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.