Home / 418,640.20-628,106.10-182,152.60

Finding the Fourth Proportional to 418,640.20, 628,106.10 and 182,152.60

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Solution

The fourth proportional to 418,640.20, 628,106.10 and 182,152.60 is: 273,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,640.20 : 628,106.10 = 182,152.60 : x
  2. Step 2: Convert to fraction form
    418,640.20/628,106.10 = 182,152.60/x
  3. Step 3: Cross multiply
    418,640.20x = 628,106.10 × 182,152.60
  4. Step 4: Simplify right side
    418,640.20x = 114,411,159,190.86
  5. Step 5: Solve for x
    x = 114,411,159,190.86/418,640.20
  6. Step 6: Final answer
    x = 273,292.34

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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.