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Finding the Fourth Proportional to 215,801.56, 297,933.88 and 191,862

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Solution

The fourth proportional to 215,801.56, 297,933.88 and 191,862 is: 264,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,801.56 : 297,933.88 = 191,862 : x
  2. Step 2: Convert to fraction form
    215,801.56/297,933.88 = 191,862/x
  3. Step 3: Cross multiply
    215,801.56x = 297,933.88 × 191,862
  4. Step 4: Simplify right side
    215,801.56x = 57,162,190,084.56
  5. Step 5: Solve for x
    x = 57,162,190,084.56/215,801.56
  6. Step 6: Final answer
    x = 264,883.12

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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.