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Finding the Fourth Proportional to 441,851.40, 661,246.20 and 264,485.70

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Solution

The fourth proportional to 441,851.40, 661,246.20 and 264,485.70 is: 395,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,851.40 : 661,246.20 = 264,485.70 : x
  2. Step 2: Convert to fraction form
    441,851.40/661,246.20 = 264,485.70/x
  3. Step 3: Cross multiply
    441,851.40x = 661,246.20 × 264,485.70
  4. Step 4: Simplify right side
    441,851.40x = 174,890,164,079.34
  5. Step 5: Solve for x
    x = 174,890,164,079.34/441,851.40
  6. Step 6: Final answer
    x = 395,812.18

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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.