Home / 224,240.16-309,453.84-122,264.78

Finding the Fourth Proportional to 224,240.16, 309,453.84 and 122,264.78

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Solution

The fourth proportional to 224,240.16, 309,453.84 and 122,264.78 is: 168,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,240.16 : 309,453.84 = 122,264.78 : x
  2. Step 2: Convert to fraction form
    224,240.16/309,453.84 = 122,264.78/x
  3. Step 3: Cross multiply
    224,240.16x = 309,453.84 × 122,264.78
  4. Step 4: Simplify right side
    224,240.16x = 37,835,305,667.76
  5. Step 5: Solve for x
    x = 37,835,305,667.76/224,240.16
  6. Step 6: Final answer
    x = 168,726.72

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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.