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Finding the Fourth Proportional to 340,867.78, 511,300.82 and 101,000.36

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Solution

The fourth proportional to 340,867.78, 511,300.82 and 101,000.36 is: 151,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,867.78 : 511,300.82 = 101,000.36 : x
  2. Step 2: Convert to fraction form
    340,867.78/511,300.82 = 101,000.36/x
  3. Step 3: Cross multiply
    340,867.78x = 511,300.82 × 101,000.36
  4. Step 4: Simplify right side
    340,867.78x = 51,641,566,888.30
  5. Step 5: Solve for x
    x = 51,641,566,888.30/340,867.78
  6. Step 6: Final answer
    x = 151,500.29

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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.