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Finding the Fourth Proportional to 441,081, 661,582.08 and 141,480.18

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Solution

The fourth proportional to 441,081, 661,582.08 and 141,480.18 is: 212,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,081 : 661,582.08 = 141,480.18 : x
  2. Step 2: Convert to fraction form
    441,081/661,582.08 = 141,480.18/x
  3. Step 3: Cross multiply
    441,081x = 661,582.08 × 141,480.18
  4. Step 4: Simplify right side
    441,081x = 93,600,751,763.17
  5. Step 5: Solve for x
    x = 93,600,751,763.17/441,081
  6. Step 6: Final answer
    x = 212,207.63

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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.