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Finding the Fourth Proportional to 471,230.18, 650,300.50 and 256,371.78

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Solution

The fourth proportional to 471,230.18, 650,300.50 and 256,371.78 is: 353,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,230.18 : 650,300.50 = 256,371.78 : x
  2. Step 2: Convert to fraction form
    471,230.18/650,300.50 = 256,371.78/x
  3. Step 3: Cross multiply
    471,230.18x = 650,300.50 × 256,371.78
  4. Step 4: Simplify right side
    471,230.18x = 166,718,695,363.80
  5. Step 5: Solve for x
    x = 166,718,695,363.80/471,230.18
  6. Step 6: Final answer
    x = 353,794.61

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1.5x scale

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.