Home / 286,293.09-429,406.83-75,947.43

Finding the Fourth Proportional to 286,293.09, 429,406.83 and 75,947.43

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Solution

The fourth proportional to 286,293.09, 429,406.83 and 75,947.43 is: 113,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,293.09 : 429,406.83 = 75,947.43 : x
  2. Step 2: Convert to fraction form
    286,293.09/429,406.83 = 75,947.43/x
  3. Step 3: Cross multiply
    286,293.09x = 429,406.83 × 75,947.43
  4. Step 4: Simplify right side
    286,293.09x = 32,612,345,162.95
  5. Step 5: Solve for x
    x = 32,612,345,162.95/286,293.09
  6. Step 6: Final answer
    x = 113,912.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.