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Finding the Fourth Proportional to 483,250.80, 666,864.51 and 289,765.29

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Solution

The fourth proportional to 483,250.80, 666,864.51 and 289,765.29 is: 399,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,250.80 : 666,864.51 = 289,765.29 : x
  2. Step 2: Convert to fraction form
    483,250.80/666,864.51 = 289,765.29/x
  3. Step 3: Cross multiply
    483,250.80x = 666,864.51 × 289,765.29
  4. Step 4: Simplify right side
    483,250.80x = 193,234,188,130.86
  5. Step 5: Solve for x
    x = 193,234,188,130.86/483,250.80
  6. Step 6: Final answer
    x = 399,863.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.