Home / 288,926.56-398,721.18-161,614

Finding the Fourth Proportional to 288,926.56, 398,721.18 and 161,614

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Solution

The fourth proportional to 288,926.56, 398,721.18 and 161,614 is: 223,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,926.56 : 398,721.18 = 161,614 : x
  2. Step 2: Convert to fraction form
    288,926.56/398,721.18 = 161,614/x
  3. Step 3: Cross multiply
    288,926.56x = 398,721.18 × 161,614
  4. Step 4: Simplify right side
    288,926.56x = 64,438,924,784.52
  5. Step 5: Solve for x
    x = 64,438,924,784.52/288,926.56
  6. Step 6: Final answer
    x = 223,028.73

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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.