Home / 279,122.27-385,024.74-175,591.82

Finding the Fourth Proportional to 279,122.27, 385,024.74 and 175,591.82

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Solution

The fourth proportional to 279,122.27, 385,024.74 and 175,591.82 is: 242,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,122.27 : 385,024.74 = 175,591.82 : x
  2. Step 2: Convert to fraction form
    279,122.27/385,024.74 = 175,591.82/x
  3. Step 3: Cross multiply
    279,122.27x = 385,024.74 × 175,591.82
  4. Step 4: Simplify right side
    279,122.27x = 67,607,193,967.66
  5. Step 5: Solve for x
    x = 67,607,193,967.66/279,122.27
  6. Step 6: Final answer
    x = 242,213.54

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1.5x scale

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.