Home / 282,640.60-423,831.30-124,787.80

Finding the Fourth Proportional to 282,640.60, 423,831.30 and 124,787.80

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Solution

The fourth proportional to 282,640.60, 423,831.30 and 124,787.80 is: 187,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,640.60 : 423,831.30 = 124,787.80 : x
  2. Step 2: Convert to fraction form
    282,640.60/423,831.30 = 124,787.80/x
  3. Step 3: Cross multiply
    282,640.60x = 423,831.30 × 124,787.80
  4. Step 4: Simplify right side
    282,640.60x = 52,888,975,498.14
  5. Step 5: Solve for x
    x = 52,888,975,498.14/282,640.60
  6. Step 6: Final answer
    x = 187,124.48

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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.