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Finding the Fourth Proportional to 335,122.20, 502,829.10 and 168,910.20

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Solution

The fourth proportional to 335,122.20, 502,829.10 and 168,910.20 is: 253,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,122.20 : 502,829.10 = 168,910.20 : x
  2. Step 2: Convert to fraction form
    335,122.20/502,829.10 = 168,910.20/x
  3. Step 3: Cross multiply
    335,122.20x = 502,829.10 × 168,910.20
  4. Step 4: Simplify right side
    335,122.20x = 84,932,963,846.82
  5. Step 5: Solve for x
    x = 84,932,963,846.82/335,122.20
  6. Step 6: Final answer
    x = 253,438.79

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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.