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Finding the Fourth Proportional to 304,679.23, 420,452.16 and 168,710.25

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Solution

The fourth proportional to 304,679.23, 420,452.16 and 168,710.25 is: 232,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,679.23 : 420,452.16 = 168,710.25 : x
  2. Step 2: Convert to fraction form
    304,679.23/420,452.16 = 168,710.25/x
  3. Step 3: Cross multiply
    304,679.23x = 420,452.16 × 168,710.25
  4. Step 4: Simplify right side
    304,679.23x = 70,934,591,659.74
  5. Step 5: Solve for x
    x = 70,934,591,659.74/304,679.23
  6. Step 6: Final answer
    x = 232,817.29

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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.