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Finding the Fourth Proportional to 295,999.60, 443,489.10 and 137,903.80

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Solution

The fourth proportional to 295,999.60, 443,489.10 and 137,903.80 is: 206,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,999.60 : 443,489.10 = 137,903.80 : x
  2. Step 2: Convert to fraction form
    295,999.60/443,489.10 = 137,903.80/x
  3. Step 3: Cross multiply
    295,999.60x = 443,489.10 × 137,903.80
  4. Step 4: Simplify right side
    295,999.60x = 61,158,832,148.58
  5. Step 5: Solve for x
    x = 61,158,832,148.58/295,999.60
  6. Step 6: Final answer
    x = 206,617.96

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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.