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Finding the Fourth Proportional to 230,514, 345,907.08 and 97,385.64

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Solution

The fourth proportional to 230,514, 345,907.08 and 97,385.64 is: 146,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,514 : 345,907.08 = 97,385.64 : x
  2. Step 2: Convert to fraction form
    230,514/345,907.08 = 97,385.64/x
  3. Step 3: Cross multiply
    230,514x = 345,907.08 × 97,385.64
  4. Step 4: Simplify right side
    230,514x = 33,686,382,366.33
  5. Step 5: Solve for x
    x = 33,686,382,366.33/230,514
  6. Step 6: Final answer
    x = 146,135.95

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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.