Home / 242,391.20-363,465.12-141,221.96

Finding the Fourth Proportional to 242,391.20, 363,465.12 and 141,221.96

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Solution

The fourth proportional to 242,391.20, 363,465.12 and 141,221.96 is: 211,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,391.20 : 363,465.12 = 141,221.96 : x
  2. Step 2: Convert to fraction form
    242,391.20/363,465.12 = 141,221.96/x
  3. Step 3: Cross multiply
    242,391.20x = 363,465.12 × 141,221.96
  4. Step 4: Simplify right side
    242,391.20x = 51,329,256,638.04
  5. Step 5: Solve for x
    x = 51,329,256,638.04/242,391.20
  6. Step 6: Final answer
    x = 211,762.05

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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.