Home / 374,144.58-561,438.12-137,653.20

Finding the Fourth Proportional to 374,144.58, 561,438.12 and 137,653.20

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Solution

The fourth proportional to 374,144.58, 561,438.12 and 137,653.20 is: 206,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,144.58 : 561,438.12 = 137,653.20 : x
  2. Step 2: Convert to fraction form
    374,144.58/561,438.12 = 137,653.20/x
  3. Step 3: Cross multiply
    374,144.58x = 561,438.12 × 137,653.20
  4. Step 4: Simplify right side
    374,144.58x = 77,283,753,819.98
  5. Step 5: Solve for x
    x = 77,283,753,819.98/374,144.58
  6. Step 6: Final answer
    x = 206,561.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.