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Finding the Fourth Proportional to 313,997.04, 433,327.32 and 179,886.96

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Solution

The fourth proportional to 313,997.04, 433,327.32 and 179,886.96 is: 248,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,997.04 : 433,327.32 = 179,886.96 : x
  2. Step 2: Convert to fraction form
    313,997.04/433,327.32 = 179,886.96/x
  3. Step 3: Cross multiply
    313,997.04x = 433,327.32 × 179,886.96
  4. Step 4: Simplify right side
    313,997.04x = 77,949,934,279.75
  5. Step 5: Solve for x
    x = 77,949,934,279.75/313,997.04
  6. Step 6: Final answer
    x = 248,250.54

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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.