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Finding the Fourth Proportional to 443,932.90, 665,905.50 and 144,415.04

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Solution

The fourth proportional to 443,932.90, 665,905.50 and 144,415.04 is: 216,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,932.90 : 665,905.50 = 144,415.04 : x
  2. Step 2: Convert to fraction form
    443,932.90/665,905.50 = 144,415.04/x
  3. Step 3: Cross multiply
    443,932.90x = 665,905.50 × 144,415.04
  4. Step 4: Simplify right side
    443,932.90x = 96,166,766,089.19
  5. Step 5: Solve for x
    x = 96,166,766,089.19/443,932.90
  6. Step 6: Final answer
    x = 216,624.55

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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.