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Finding the Fourth Proportional to 555,633, 833,590.62 and 161,649

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Solution

The fourth proportional to 555,633, 833,590.62 and 161,649 is: 242,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,633 : 833,590.62 = 161,649 : x
  2. Step 2: Convert to fraction form
    555,633/833,590.62 = 161,649/x
  3. Step 3: Cross multiply
    555,633x = 833,590.62 × 161,649
  4. Step 4: Simplify right side
    555,633x = 134,749,090,132.38
  5. Step 5: Solve for x
    x = 134,749,090,132.38/555,633
  6. Step 6: Final answer
    x = 242,514.56

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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.