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Finding the Fourth Proportional to 215,234.98, 322,803.16 and 63,392.78

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Solution

The fourth proportional to 215,234.98, 322,803.16 and 63,392.78 is: 95,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,234.98 : 322,803.16 = 63,392.78 : x
  2. Step 2: Convert to fraction form
    215,234.98/322,803.16 = 63,392.78/x
  3. Step 3: Cross multiply
    215,234.98x = 322,803.16 × 63,392.78
  4. Step 4: Simplify right side
    215,234.98x = 20,463,390,353.71
  5. Step 5: Solve for x
    x = 20,463,390,353.71/215,234.98
  6. Step 6: Final answer
    x = 95,074.65

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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.