Home / 511,177.06-766,765.44-137,200.06

Finding the Fourth Proportional to 511,177.06, 766,765.44 and 137,200.06

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Solution

The fourth proportional to 511,177.06, 766,765.44 and 137,200.06 is: 205,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,177.06 : 766,765.44 = 137,200.06 : x
  2. Step 2: Convert to fraction form
    511,177.06/766,765.44 = 137,200.06/x
  3. Step 3: Cross multiply
    511,177.06x = 766,765.44 × 137,200.06
  4. Step 4: Simplify right side
    511,177.06x = 105,200,264,373.93
  5. Step 5: Solve for x
    x = 105,200,264,373.93/511,177.06
  6. Step 6: Final answer
    x = 205,800.05

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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.