Home / 210,734.82-315,769.32-171,098.28

Finding the Fourth Proportional to 210,734.82, 315,769.32 and 171,098.28

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Solution

The fourth proportional to 210,734.82, 315,769.32 and 171,098.28 is: 256,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,734.82 : 315,769.32 = 171,098.28 : x
  2. Step 2: Convert to fraction form
    210,734.82/315,769.32 = 171,098.28/x
  3. Step 3: Cross multiply
    210,734.82x = 315,769.32 × 171,098.28
  4. Step 4: Simplify right side
    210,734.82x = 54,027,587,528.77
  5. Step 5: Solve for x
    x = 54,027,587,528.77/210,734.82
  6. Step 6: Final answer
    x = 256,377.13

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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.