Home / 284,026.21-391,953.94-154,962.79

Finding the Fourth Proportional to 284,026.21, 391,953.94 and 154,962.79

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Solution

The fourth proportional to 284,026.21, 391,953.94 and 154,962.79 is: 213,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,026.21 : 391,953.94 = 154,962.79 : x
  2. Step 2: Convert to fraction form
    284,026.21/391,953.94 = 154,962.79/x
  3. Step 3: Cross multiply
    284,026.21x = 391,953.94 × 154,962.79
  4. Step 4: Simplify right side
    284,026.21x = 60,738,274,726.60
  5. Step 5: Solve for x
    x = 60,738,274,726.60/284,026.21
  6. Step 6: Final answer
    x = 213,847.43

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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.