Home / 306,296.04-422,693.52-168,480.40

Finding the Fourth Proportional to 306,296.04, 422,693.52 and 168,480.40

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Solution

The fourth proportional to 306,296.04, 422,693.52 and 168,480.40 is: 232,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,296.04 : 422,693.52 = 168,480.40 : x
  2. Step 2: Convert to fraction form
    306,296.04/422,693.52 = 168,480.40/x
  3. Step 3: Cross multiply
    306,296.04x = 422,693.52 × 168,480.40
  4. Step 4: Simplify right side
    306,296.04x = 71,215,573,327.01
  5. Step 5: Solve for x
    x = 71,215,573,327.01/306,296.04
  6. Step 6: Final answer
    x = 232,505.69

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1.5x scale

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.