Home / 318,105.24-438,995.34-174,871.32

Finding the Fourth Proportional to 318,105.24, 438,995.34 and 174,871.32

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Solution

The fourth proportional to 318,105.24, 438,995.34 and 174,871.32 is: 241,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,105.24 : 438,995.34 = 174,871.32 : x
  2. Step 2: Convert to fraction form
    318,105.24/438,995.34 = 174,871.32/x
  3. Step 3: Cross multiply
    318,105.24x = 438,995.34 × 174,871.32
  4. Step 4: Simplify right side
    318,105.24x = 76,767,694,579.65
  5. Step 5: Solve for x
    x = 76,767,694,579.65/318,105.24
  6. Step 6: Final answer
    x = 241,327.98

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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.