Home / 330,115.40-455,561.14-194,155.08

Finding the Fourth Proportional to 330,115.40, 455,561.14 and 194,155.08

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Solution

The fourth proportional to 330,115.40, 455,561.14 and 194,155.08 is: 267,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,115.40 : 455,561.14 = 194,155.08 : x
  2. Step 2: Convert to fraction form
    330,115.40/455,561.14 = 194,155.08/x
  3. Step 3: Cross multiply
    330,115.40x = 455,561.14 × 194,155.08
  4. Step 4: Simplify right side
    330,115.40x = 88,449,507,205.83
  5. Step 5: Solve for x
    x = 88,449,507,205.83/330,115.40
  6. Step 6: Final answer
    x = 267,935.11

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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.