Home / 495,551.25-743,318.09-187,862.45

Finding the Fourth Proportional to 495,551.25, 743,318.09 and 187,862.45

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Solution

The fourth proportional to 495,551.25, 743,318.09 and 187,862.45 is: 281,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,551.25 : 743,318.09 = 187,862.45 : x
  2. Step 2: Convert to fraction form
    495,551.25/743,318.09 = 187,862.45/x
  3. Step 3: Cross multiply
    495,551.25x = 743,318.09 × 187,862.45
  4. Step 4: Simplify right side
    495,551.25x = 139,641,552,860.82
  5. Step 5: Solve for x
    x = 139,641,552,860.82/495,551.25
  6. Step 6: Final answer
    x = 281,790.34

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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.