Home / 236,999.20-355,498.80-148,425.70

Finding the Fourth Proportional to 236,999.20, 355,498.80 and 148,425.70

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Solution

The fourth proportional to 236,999.20, 355,498.80 and 148,425.70 is: 222,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,999.20 : 355,498.80 = 148,425.70 : x
  2. Step 2: Convert to fraction form
    236,999.20/355,498.80 = 148,425.70/x
  3. Step 3: Cross multiply
    236,999.20x = 355,498.80 × 148,425.70
  4. Step 4: Simplify right side
    236,999.20x = 52,765,158,239.16
  5. Step 5: Solve for x
    x = 52,765,158,239.16/236,999.20
  6. Step 6: Final answer
    x = 222,638.55

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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.