Home / 325,720.49-488,646.04-112,496.22

Finding the Fourth Proportional to 325,720.49, 488,646.04 and 112,496.22

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Solution

The fourth proportional to 325,720.49, 488,646.04 and 112,496.22 is: 168,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,720.49 : 488,646.04 = 112,496.22 : x
  2. Step 2: Convert to fraction form
    325,720.49/488,646.04 = 112,496.22/x
  3. Step 3: Cross multiply
    325,720.49x = 488,646.04 × 112,496.22
  4. Step 4: Simplify right side
    325,720.49x = 54,970,832,947.47
  5. Step 5: Solve for x
    x = 54,970,832,947.47/325,720.49
  6. Step 6: Final answer
    x = 168,766.89

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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.