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Finding the Fourth Proportional to 344,863.88, 475,977.66 and 215,862.20

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Solution

The fourth proportional to 344,863.88, 475,977.66 and 215,862.20 is: 297,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,863.88 : 475,977.66 = 215,862.20 : x
  2. Step 2: Convert to fraction form
    344,863.88/475,977.66 = 215,862.20/x
  3. Step 3: Cross multiply
    344,863.88x = 475,977.66 × 215,862.20
  4. Step 4: Simplify right side
    344,863.88x = 102,745,584,838.45
  5. Step 5: Solve for x
    x = 102,745,584,838.45/344,863.88
  6. Step 6: Final answer
    x = 297,930.84

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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.