Home / 215,747.94-323,621.62-57,976.40

Finding the Fourth Proportional to 215,747.94, 323,621.62 and 57,976.40

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Solution

The fourth proportional to 215,747.94, 323,621.62 and 57,976.40 is: 86,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,747.94 : 323,621.62 = 57,976.40 : x
  2. Step 2: Convert to fraction form
    215,747.94/323,621.62 = 57,976.40/x
  3. Step 3: Cross multiply
    215,747.94x = 323,621.62 × 57,976.40
  4. Step 4: Simplify right side
    215,747.94x = 18,762,416,489.77
  5. Step 5: Solve for x
    x = 18,762,416,489.77/215,747.94
  6. Step 6: Final answer
    x = 86,964.52

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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.