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Finding the Fourth Proportional to 423,560.67, 635,465.27 and 170,711.34

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Solution

The fourth proportional to 423,560.67, 635,465.27 and 170,711.34 is: 256,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,560.67 : 635,465.27 = 170,711.34 : x
  2. Step 2: Convert to fraction form
    423,560.67/635,465.27 = 170,711.34/x
  3. Step 3: Cross multiply
    423,560.67x = 635,465.27 × 170,711.34
  4. Step 4: Simplify right side
    423,560.67x = 108,481,127,765.16
  5. Step 5: Solve for x
    x = 108,481,127,765.16/423,560.67
  6. Step 6: Final answer
    x = 256,117.09

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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.