Home / 398,819.08-550,356.90-237,590.62

Finding the Fourth Proportional to 398,819.08, 550,356.90 and 237,590.62

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Solution

The fourth proportional to 398,819.08, 550,356.90 and 237,590.62 is: 327,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,819.08 : 550,356.90 = 237,590.62 : x
  2. Step 2: Convert to fraction form
    398,819.08/550,356.90 = 237,590.62/x
  3. Step 3: Cross multiply
    398,819.08x = 550,356.90 × 237,590.62
  4. Step 4: Simplify right side
    398,819.08x = 130,759,637,092.28
  5. Step 5: Solve for x
    x = 130,759,637,092.28/398,819.08
  6. Step 6: Final answer
    x = 327,867.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.