Home / 279,522.90-385,737.75-152,198.49

Finding the Fourth Proportional to 279,522.90, 385,737.75 and 152,198.49

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Solution

The fourth proportional to 279,522.90, 385,737.75 and 152,198.49 is: 210,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,522.90 : 385,737.75 = 152,198.49 : x
  2. Step 2: Convert to fraction form
    279,522.90/385,737.75 = 152,198.49/x
  3. Step 3: Cross multiply
    279,522.90x = 385,737.75 × 152,198.49
  4. Step 4: Simplify right side
    279,522.90x = 58,708,703,086.00
  5. Step 5: Solve for x
    x = 58,708,703,086.00/279,522.90
  6. Step 6: Final answer
    x = 210,031.82

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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.