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Finding the Fourth Proportional to 612,514.96, 918,699.54 and 163,269.52

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Solution

The fourth proportional to 612,514.96, 918,699.54 and 163,269.52 is: 244,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,514.96 : 918,699.54 = 163,269.52 : x
  2. Step 2: Convert to fraction form
    612,514.96/918,699.54 = 163,269.52/x
  3. Step 3: Cross multiply
    612,514.96x = 918,699.54 × 163,269.52
  4. Step 4: Simplify right side
    612,514.96x = 149,995,632,920.02
  5. Step 5: Solve for x
    x = 149,995,632,920.02/612,514.96
  6. Step 6: Final answer
    x = 244,884.85

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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.