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Finding the Fourth Proportional to 279,377.44, 385,540.86 and 152,053.94

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Solution

The fourth proportional to 279,377.44, 385,540.86 and 152,053.94 is: 209,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,377.44 : 385,540.86 = 152,053.94 : x
  2. Step 2: Convert to fraction form
    279,377.44/385,540.86 = 152,053.94/x
  3. Step 3: Cross multiply
    279,377.44x = 385,540.86 × 152,053.94
  4. Step 4: Simplify right side
    279,377.44x = 58,623,008,328.04
  5. Step 5: Solve for x
    x = 58,623,008,328.04/279,377.44
  6. Step 6: Final answer
    x = 209,834.44

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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.