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Finding the Fourth Proportional to 302,462.10, 453,911.85 and 169,200.90

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Solution

The fourth proportional to 302,462.10, 453,911.85 and 169,200.90 is: 253,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,462.10 : 453,911.85 = 169,200.90 : x
  2. Step 2: Convert to fraction form
    302,462.10/453,911.85 = 169,200.90/x
  3. Step 3: Cross multiply
    302,462.10x = 453,911.85 × 169,200.90
  4. Step 4: Simplify right side
    302,462.10x = 76,802,293,540.67
  5. Step 5: Solve for x
    x = 76,802,293,540.67/302,462.10
  6. Step 6: Final answer
    x = 253,923.69

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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.