Home / 257,394.28-385,664.70-182,141.56

Finding the Fourth Proportional to 257,394.28, 385,664.70 and 182,141.56

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Solution

The fourth proportional to 257,394.28, 385,664.70 and 182,141.56 is: 272,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,394.28 : 385,664.70 = 182,141.56 : x
  2. Step 2: Convert to fraction form
    257,394.28/385,664.70 = 182,141.56/x
  3. Step 3: Cross multiply
    257,394.28x = 385,664.70 × 182,141.56
  4. Step 4: Simplify right side
    257,394.28x = 70,245,570,094.93
  5. Step 5: Solve for x
    x = 70,245,570,094.93/257,394.28
  6. Step 6: Final answer
    x = 272,910.38

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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.