Home / 279,160.05-418,581.45-190,520.94

Finding the Fourth Proportional to 279,160.05, 418,581.45 and 190,520.94

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Solution

The fourth proportional to 279,160.05, 418,581.45 and 190,520.94 is: 285,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,160.05 : 418,581.45 = 190,520.94 : x
  2. Step 2: Convert to fraction form
    279,160.05/418,581.45 = 190,520.94/x
  3. Step 3: Cross multiply
    279,160.05x = 418,581.45 × 190,520.94
  4. Step 4: Simplify right side
    279,160.05x = 79,748,531,320.56
  5. Step 5: Solve for x
    x = 79,748,531,320.56/279,160.05
  6. Step 6: Final answer
    x = 285,673.15

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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.