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Finding the Fourth Proportional to 633,647.33, 950,462.80 and 153,879.07

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Solution

The fourth proportional to 633,647.33, 950,462.80 and 153,879.07 is: 230,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,647.33 : 950,462.80 = 153,879.07 : x
  2. Step 2: Convert to fraction form
    633,647.33/950,462.80 = 153,879.07/x
  3. Step 3: Cross multiply
    633,647.33x = 950,462.80 × 153,879.07
  4. Step 4: Simplify right side
    633,647.33x = 146,256,330,754.86
  5. Step 5: Solve for x
    x = 146,256,330,754.86/633,647.33
  6. Step 6: Final answer
    x = 230,816.61

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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.