Home / 340,849.52-511,275.72-104,191.28

Finding the Fourth Proportional to 340,849.52, 511,275.72 and 104,191.28

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Solution

The fourth proportional to 340,849.52, 511,275.72 and 104,191.28 is: 156,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,849.52 : 511,275.72 = 104,191.28 : x
  2. Step 2: Convert to fraction form
    340,849.52/511,275.72 = 104,191.28/x
  3. Step 3: Cross multiply
    340,849.52x = 511,275.72 × 104,191.28
  4. Step 4: Simplify right side
    340,849.52x = 53,270,471,699.72
  5. Step 5: Solve for x
    x = 53,270,471,699.72/340,849.52
  6. Step 6: Final answer
    x = 156,287.36

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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.