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Finding the Fourth Proportional to 376,003.80, 564,005.70 and 320,016.60

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Solution

The fourth proportional to 376,003.80, 564,005.70 and 320,016.60 is: 480,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,003.80 : 564,005.70 = 320,016.60 : x
  2. Step 2: Convert to fraction form
    376,003.80/564,005.70 = 320,016.60/x
  3. Step 3: Cross multiply
    376,003.80x = 564,005.70 × 320,016.60
  4. Step 4: Simplify right side
    376,003.80x = 180,491,186,494.62
  5. Step 5: Solve for x
    x = 180,491,186,494.62/376,003.80
  6. Step 6: Final answer
    x = 480,024.90

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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.