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Finding the Fourth Proportional to 296,546.32, 444,379.44 and 155,878.48

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Solution

The fourth proportional to 296,546.32, 444,379.44 and 155,878.48 is: 233,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,546.32 : 444,379.44 = 155,878.48 : x
  2. Step 2: Convert to fraction form
    296,546.32/444,379.44 = 155,878.48/x
  3. Step 3: Cross multiply
    296,546.32x = 444,379.44 × 155,878.48
  4. Step 4: Simplify right side
    296,546.32x = 69,269,191,650.45
  5. Step 5: Solve for x
    x = 69,269,191,650.45/296,546.32
  6. Step 6: Final answer
    x = 233,586.41

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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.