Home / 279,513.06-385,734.96-152,195.64

Finding the Fourth Proportional to 279,513.06, 385,734.96 and 152,195.64

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Solution

The fourth proportional to 279,513.06, 385,734.96 and 152,195.64 is: 210,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,513.06 : 385,734.96 = 152,195.64 : x
  2. Step 2: Convert to fraction form
    279,513.06/385,734.96 = 152,195.64/x
  3. Step 3: Cross multiply
    279,513.06x = 385,734.96 × 152,195.64
  4. Step 4: Simplify right side
    279,513.06x = 58,707,179,107.57
  5. Step 5: Solve for x
    x = 58,707,179,107.57/279,513.06
  6. Step 6: Final answer
    x = 210,033.76

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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.