Home / 206,465.10-284,620.26-145,928.94

Finding the Fourth Proportional to 206,465.10, 284,620.26 and 145,928.94

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Solution

The fourth proportional to 206,465.10, 284,620.26 and 145,928.94 is: 201,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,465.10 : 284,620.26 = 145,928.94 : x
  2. Step 2: Convert to fraction form
    206,465.10/284,620.26 = 145,928.94/x
  3. Step 3: Cross multiply
    206,465.10x = 284,620.26 × 145,928.94
  4. Step 4: Simplify right side
    206,465.10x = 41,534,332,844.32
  5. Step 5: Solve for x
    x = 41,534,332,844.32/206,465.10
  6. Step 6: Final answer
    x = 201,168.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.