Home / 215,260.26-322,890.51-74,920.50

Finding the Fourth Proportional to 215,260.26, 322,890.51 and 74,920.50

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Solution

The fourth proportional to 215,260.26, 322,890.51 and 74,920.50 is: 112,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,260.26 : 322,890.51 = 74,920.50 : x
  2. Step 2: Convert to fraction form
    215,260.26/322,890.51 = 74,920.50/x
  3. Step 3: Cross multiply
    215,260.26x = 322,890.51 × 74,920.50
  4. Step 4: Simplify right side
    215,260.26x = 24,191,118,454.46
  5. Step 5: Solve for x
    x = 24,191,118,454.46/215,260.26
  6. Step 6: Final answer
    x = 112,380.79

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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.