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Finding the Fourth Proportional to 320,236.17, 480,337.84 and 95,598.46

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Solution

The fourth proportional to 320,236.17, 480,337.84 and 95,598.46 is: 143,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,236.17 : 480,337.84 = 95,598.46 : x
  2. Step 2: Convert to fraction form
    320,236.17/480,337.84 = 95,598.46/x
  3. Step 3: Cross multiply
    320,236.17x = 480,337.84 × 95,598.46
  4. Step 4: Simplify right side
    320,236.17x = 45,919,557,783.73
  5. Step 5: Solve for x
    x = 45,919,557,783.73/320,236.17
  6. Step 6: Final answer
    x = 143,392.79

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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.