Home / 214,876.32-322,316.40-88,486.56

Finding the Fourth Proportional to 214,876.32, 322,316.40 and 88,486.56

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Solution

The fourth proportional to 214,876.32, 322,316.40 and 88,486.56 is: 132,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,876.32 : 322,316.40 = 88,486.56 : x
  2. Step 2: Convert to fraction form
    214,876.32/322,316.40 = 88,486.56/x
  3. Step 3: Cross multiply
    214,876.32x = 322,316.40 × 88,486.56
  4. Step 4: Simplify right side
    214,876.32x = 28,520,669,467.58
  5. Step 5: Solve for x
    x = 28,520,669,467.58/214,876.32
  6. Step 6: Final answer
    x = 132,730.63

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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.