Home / 340,928.76-511,311.10-104,273.48

Finding the Fourth Proportional to 340,928.76, 511,311.10 and 104,273.48

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Solution

The fourth proportional to 340,928.76, 511,311.10 and 104,273.48 is: 156,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,928.76 : 511,311.10 = 104,273.48 : x
  2. Step 2: Convert to fraction form
    340,928.76/511,311.10 = 104,273.48/x
  3. Step 3: Cross multiply
    340,928.76x = 511,311.10 × 104,273.48
  4. Step 4: Simplify right side
    340,928.76x = 53,316,187,759.63
  5. Step 5: Solve for x
    x = 53,316,187,759.63/340,928.76
  6. Step 6: Final answer
    x = 156,385.13

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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.