Home / 247,207.25-370,590.96-89,400.62

Finding the Fourth Proportional to 247,207.25, 370,590.96 and 89,400.62

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Solution

The fourth proportional to 247,207.25, 370,590.96 and 89,400.62 is: 134,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,207.25 : 370,590.96 = 89,400.62 : x
  2. Step 2: Convert to fraction form
    247,207.25/370,590.96 = 89,400.62/x
  3. Step 3: Cross multiply
    247,207.25x = 370,590.96 × 89,400.62
  4. Step 4: Simplify right side
    247,207.25x = 33,131,061,590.40
  5. Step 5: Solve for x
    x = 33,131,061,590.40/247,207.25
  6. Step 6: Final answer
    x = 134,021.40

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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.