Home / 511,268.56-766,904.82-156,281.20

Finding the Fourth Proportional to 511,268.56, 766,904.82 and 156,281.20

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Solution

The fourth proportional to 511,268.56, 766,904.82 and 156,281.20 is: 234,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,268.56 : 766,904.82 = 156,281.20 : x
  2. Step 2: Convert to fraction form
    511,268.56/766,904.82 = 156,281.20/x
  3. Step 3: Cross multiply
    511,268.56x = 766,904.82 × 156,281.20
  4. Step 4: Simplify right side
    511,268.56x = 119,852,805,555.38
  5. Step 5: Solve for x
    x = 119,852,805,555.38/511,268.56
  6. Step 6: Final answer
    x = 234,422.41

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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.