Home / 279,660.84-385,929.99-152,336.43

Finding the Fourth Proportional to 279,660.84, 385,929.99 and 152,336.43

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Solution

The fourth proportional to 279,660.84, 385,929.99 and 152,336.43 is: 210,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,660.84 : 385,929.99 = 152,336.43 : x
  2. Step 2: Convert to fraction form
    279,660.84/385,929.99 = 152,336.43/x
  3. Step 3: Cross multiply
    279,660.84x = 385,929.99 × 152,336.43
  4. Step 4: Simplify right side
    279,660.84x = 58,791,196,906.54
  5. Step 5: Solve for x
    x = 58,791,196,906.54/279,660.84
  6. Step 6: Final answer
    x = 210,223.20

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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.