Home / 495,476.88-743,243.58-140,463

Finding the Fourth Proportional to 495,476.88, 743,243.58 and 140,463

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Solution

The fourth proportional to 495,476.88, 743,243.58 and 140,463 is: 210,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,476.88 : 743,243.58 = 140,463 : x
  2. Step 2: Convert to fraction form
    495,476.88/743,243.58 = 140,463/x
  3. Step 3: Cross multiply
    495,476.88x = 743,243.58 × 140,463
  4. Step 4: Simplify right side
    495,476.88x = 104,398,222,977.54
  5. Step 5: Solve for x
    x = 104,398,222,977.54/495,476.88
  6. Step 6: Final answer
    x = 210,702.51

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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.