Home / 495,472.95-743,237.67-140,459.06

Finding the Fourth Proportional to 495,472.95, 743,237.67 and 140,459.06

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Solution

The fourth proportional to 495,472.95, 743,237.67 and 140,459.06 is: 210,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,472.95 : 743,237.67 = 140,459.06 : x
  2. Step 2: Convert to fraction form
    495,472.95/743,237.67 = 140,459.06/x
  3. Step 3: Cross multiply
    495,472.95x = 743,237.67 × 140,459.06
  4. Step 4: Simplify right side
    495,472.95x = 104,394,466,869.61
  5. Step 5: Solve for x
    x = 104,394,466,869.61/495,472.95
  6. Step 6: Final answer
    x = 210,696.60

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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.