Home / 495,660.94-743,490.06-140,675.30

Finding the Fourth Proportional to 495,660.94, 743,490.06 and 140,675.30

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Solution

The fourth proportional to 495,660.94, 743,490.06 and 140,675.30 is: 211,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,660.94 : 743,490.06 = 140,675.30 : x
  2. Step 2: Convert to fraction form
    495,660.94/743,490.06 = 140,675.30/x
  3. Step 3: Cross multiply
    495,660.94x = 743,490.06 × 140,675.30
  4. Step 4: Simplify right side
    495,660.94x = 104,590,687,237.52
  5. Step 5: Solve for x
    x = 104,590,687,237.52/495,660.94
  6. Step 6: Final answer
    x = 211,012.57

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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.