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Finding the Fourth Proportional to 471,047.34, 650,048.40 and 256,188.96

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Solution

The fourth proportional to 471,047.34, 650,048.40 and 256,188.96 is: 353,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,047.34 : 650,048.40 = 256,188.96 : x
  2. Step 2: Convert to fraction form
    471,047.34/650,048.40 = 256,188.96/x
  3. Step 3: Cross multiply
    471,047.34x = 650,048.40 × 256,188.96
  4. Step 4: Simplify right side
    471,047.34x = 166,535,223,545.66
  5. Step 5: Solve for x
    x = 166,535,223,545.66/471,047.34
  6. Step 6: Final answer
    x = 353,542.43

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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.