Home / 511,268.40-766,895.40-230,785.20

Finding the Fourth Proportional to 511,268.40, 766,895.40 and 230,785.20

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Solution

The fourth proportional to 511,268.40, 766,895.40 and 230,785.20 is: 346,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,268.40 : 766,895.40 = 230,785.20 : x
  2. Step 2: Convert to fraction form
    511,268.40/766,895.40 = 230,785.20/x
  3. Step 3: Cross multiply
    511,268.40x = 766,895.40 × 230,785.20
  4. Step 4: Simplify right side
    511,268.40x = 176,988,108,268.08
  5. Step 5: Solve for x
    x = 176,988,108,268.08/511,268.40
  6. Step 6: Final answer
    x = 346,174.55

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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.