Home / 279,165.12-385,212.96-188,717.82

Finding the Fourth Proportional to 279,165.12, 385,212.96 and 188,717.82

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Solution

The fourth proportional to 279,165.12, 385,212.96 and 188,717.82 is: 260,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165.12 : 385,212.96 = 188,717.82 : x
  2. Step 2: Convert to fraction form
    279,165.12/385,212.96 = 188,717.82/x
  3. Step 3: Cross multiply
    279,165.12x = 385,212.96 × 188,717.82
  4. Step 4: Simplify right side
    279,165.12x = 72,696,550,046.95
  5. Step 5: Solve for x
    x = 72,696,550,046.95/279,165.12
  6. Step 6: Final answer
    x = 260,407.00

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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.