Home / 217,758.24-300,505.95-122,265.45

Finding the Fourth Proportional to 217,758.24, 300,505.95 and 122,265.45

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Solution

The fourth proportional to 217,758.24, 300,505.95 and 122,265.45 is: 168,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,758.24 : 300,505.95 = 122,265.45 : x
  2. Step 2: Convert to fraction form
    217,758.24/300,505.95 = 122,265.45/x
  3. Step 3: Cross multiply
    217,758.24x = 300,505.95 × 122,265.45
  4. Step 4: Simplify right side
    217,758.24x = 36,741,495,204.43
  5. Step 5: Solve for x
    x = 36,741,495,204.43/217,758.24
  6. Step 6: Final answer
    x = 168,726.08

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1.5x scale

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.