Home / 367,409.46-551,149.04-142,787.25

Finding the Fourth Proportional to 367,409.46, 551,149.04 and 142,787.25

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Solution

The fourth proportional to 367,409.46, 551,149.04 and 142,787.25 is: 214,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,409.46 : 551,149.04 = 142,787.25 : x
  2. Step 2: Convert to fraction form
    367,409.46/551,149.04 = 142,787.25/x
  3. Step 3: Cross multiply
    367,409.46x = 551,149.04 × 142,787.25
  4. Step 4: Simplify right side
    367,409.46x = 78,697,055,761.74
  5. Step 5: Solve for x
    x = 78,697,055,761.74/367,409.46
  6. Step 6: Final answer
    x = 214,194.42

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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.