Home / 318,282.05-439,220.43-175,042.22

Finding the Fourth Proportional to 318,282.05, 439,220.43 and 175,042.22

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Solution

The fourth proportional to 318,282.05, 439,220.43 and 175,042.22 is: 241,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,282.05 : 439,220.43 = 175,042.22 : x
  2. Step 2: Convert to fraction form
    318,282.05/439,220.43 = 175,042.22/x
  3. Step 3: Cross multiply
    318,282.05x = 439,220.43 × 175,042.22
  4. Step 4: Simplify right side
    318,282.05x = 76,882,116,940.45
  5. Step 5: Solve for x
    x = 76,882,116,940.45/318,282.05
  6. Step 6: Final answer
    x = 241,553.42

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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.