Home / 279,827.52-386,152.20-152,500.56

Finding the Fourth Proportional to 279,827.52, 386,152.20 and 152,500.56

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Solution

The fourth proportional to 279,827.52, 386,152.20 and 152,500.56 is: 210,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,827.52 : 386,152.20 = 152,500.56 : x
  2. Step 2: Convert to fraction form
    279,827.52/386,152.20 = 152,500.56/x
  3. Step 3: Cross multiply
    279,827.52x = 386,152.20 × 152,500.56
  4. Step 4: Simplify right side
    279,827.52x = 58,888,426,745.23
  5. Step 5: Solve for x
    x = 58,888,426,745.23/279,827.52
  6. Step 6: Final answer
    x = 210,445.44

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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.