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Finding the Fourth Proportional to 304,781.04, 420,597.36 and 170,645.04

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Solution

The fourth proportional to 304,781.04, 420,597.36 and 170,645.04 is: 235,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,781.04 : 420,597.36 = 170,645.04 : x
  2. Step 2: Convert to fraction form
    304,781.04/420,597.36 = 170,645.04/x
  3. Step 3: Cross multiply
    304,781.04x = 420,597.36 × 170,645.04
  4. Step 4: Simplify right side
    304,781.04x = 71,772,853,321.09
  5. Step 5: Solve for x
    x = 71,772,853,321.09/304,781.04
  6. Step 6: Final answer
    x = 235,489.89

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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.