Home / 511,268.06-766,904.07-156,280.70

Finding the Fourth Proportional to 511,268.06, 766,904.07 and 156,280.70

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Solution

The fourth proportional to 511,268.06, 766,904.07 and 156,280.70 is: 234,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,268.06 : 766,904.07 = 156,280.70 : x
  2. Step 2: Convert to fraction form
    511,268.06/766,904.07 = 156,280.70/x
  3. Step 3: Cross multiply
    511,268.06x = 766,904.07 × 156,280.70
  4. Step 4: Simplify right side
    511,268.06x = 119,852,304,892.45
  5. Step 5: Solve for x
    x = 119,852,304,892.45/511,268.06
  6. Step 6: Final answer
    x = 234,421.66

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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.