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Finding the Fourth Proportional to 471,021.26, 650,003.13 and 256,156.73

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Solution

The fourth proportional to 471,021.26, 650,003.13 and 256,156.73 is: 353,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,021.26 : 650,003.13 = 256,156.73 : x
  2. Step 2: Convert to fraction form
    471,021.26/650,003.13 = 256,156.73/x
  3. Step 3: Cross multiply
    471,021.26x = 650,003.13 × 256,156.73
  4. Step 4: Simplify right side
    471,021.26x = 166,502,676,270.57
  5. Step 5: Solve for x
    x = 166,502,676,270.57/471,021.26
  6. Step 6: Final answer
    x = 353,492.91

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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.