Home / 340,964.10-511,427.66-104,306.81

Finding the Fourth Proportional to 340,964.10, 511,427.66 and 104,306.81

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Solution

The fourth proportional to 340,964.10, 511,427.66 and 104,306.81 is: 156,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,964.10 : 511,427.66 = 104,306.81 : x
  2. Step 2: Convert to fraction form
    340,964.10/511,427.66 = 104,306.81/x
  3. Step 3: Cross multiply
    340,964.10x = 511,427.66 × 104,306.81
  4. Step 4: Simplify right side
    340,964.10x = 53,345,384,681.69
  5. Step 5: Solve for x
    x = 53,345,384,681.69/340,964.10
  6. Step 6: Final answer
    x = 156,454.55

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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.