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Finding the Fourth Proportional to 235,502.20, 352,734.90 and 164,999.80

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Solution

The fourth proportional to 235,502.20, 352,734.90 and 164,999.80 is: 247,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,502.20 : 352,734.90 = 164,999.80 : x
  2. Step 2: Convert to fraction form
    235,502.20/352,734.90 = 164,999.80/x
  3. Step 3: Cross multiply
    235,502.20x = 352,734.90 × 164,999.80
  4. Step 4: Simplify right side
    235,502.20x = 58,201,187,953.02
  5. Step 5: Solve for x
    x = 58,201,187,953.02/235,502.20
  6. Step 6: Final answer
    x = 247,136.49

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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.