Home / 325,721.20-488,668.20-115,337.20

Finding the Fourth Proportional to 325,721.20, 488,668.20 and 115,337.20

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Solution

The fourth proportional to 325,721.20, 488,668.20 and 115,337.20 is: 173,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,721.20 : 488,668.20 = 115,337.20 : x
  2. Step 2: Convert to fraction form
    325,721.20/488,668.20 = 115,337.20/x
  3. Step 3: Cross multiply
    325,721.20x = 488,668.20 × 115,337.20
  4. Step 4: Simplify right side
    325,721.20x = 56,361,621,917.04
  5. Step 5: Solve for x
    x = 56,361,621,917.04/325,721.20
  6. Step 6: Final answer
    x = 173,036.39

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1.5x scale

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.