Home / 214,938.10-322,407.15-205,837.30

Finding the Fourth Proportional to 214,938.10, 322,407.15 and 205,837.30

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Solution

The fourth proportional to 214,938.10, 322,407.15 and 205,837.30 is: 308,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,938.10 : 322,407.15 = 205,837.30 : x
  2. Step 2: Convert to fraction form
    214,938.10/322,407.15 = 205,837.30/x
  3. Step 3: Cross multiply
    214,938.10x = 322,407.15 × 205,837.30
  4. Step 4: Simplify right side
    214,938.10x = 66,363,417,256.70
  5. Step 5: Solve for x
    x = 66,363,417,256.70/214,938.10
  6. Step 6: Final answer
    x = 308,755.95

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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.