Home / 441,991.14-663,088.68-138,368.04

Finding the Fourth Proportional to 441,991.14, 663,088.68 and 138,368.04

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Solution

The fourth proportional to 441,991.14, 663,088.68 and 138,368.04 is: 207,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,991.14 : 663,088.68 = 138,368.04 : x
  2. Step 2: Convert to fraction form
    441,991.14/663,088.68 = 138,368.04/x
  3. Step 3: Cross multiply
    441,991.14x = 663,088.68 × 138,368.04
  4. Step 4: Simplify right side
    441,991.14x = 91,750,280,997.79
  5. Step 5: Solve for x
    x = 91,750,280,997.79/441,991.14
  6. Step 6: Final answer
    x = 207,583.98

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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.