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Finding the Fourth Proportional to 448,517.06, 672,889.20 and 148,999.12

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Solution

The fourth proportional to 448,517.06, 672,889.20 and 148,999.12 is: 223,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,517.06 : 672,889.20 = 148,999.12 : x
  2. Step 2: Convert to fraction form
    448,517.06/672,889.20 = 148,999.12/x
  3. Step 3: Cross multiply
    448,517.06x = 672,889.20 × 148,999.12
  4. Step 4: Simplify right side
    448,517.06x = 100,259,898,657.50
  5. Step 5: Solve for x
    x = 100,259,898,657.50/448,517.06
  6. Step 6: Final answer
    x = 223,536.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.