Home / 371,865.60-557,739.68-161,447.04

Finding the Fourth Proportional to 371,865.60, 557,739.68 and 161,447.04

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Solution

The fourth proportional to 371,865.60, 557,739.68 and 161,447.04 is: 242,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,865.60 : 557,739.68 = 161,447.04 : x
  2. Step 2: Convert to fraction form
    371,865.60/557,739.68 = 161,447.04/x
  3. Step 3: Cross multiply
    371,865.60x = 557,739.68 × 161,447.04
  4. Step 4: Simplify right side
    371,865.60x = 90,045,420,426.55
  5. Step 5: Solve for x
    x = 90,045,420,426.55/371,865.60
  6. Step 6: Final answer
    x = 242,145.07

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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.