Home / 380,793.05-571,195.64-144,072.17

Finding the Fourth Proportional to 380,793.05, 571,195.64 and 144,072.17

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Solution

The fourth proportional to 380,793.05, 571,195.64 and 144,072.17 is: 216,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,793.05 : 571,195.64 = 144,072.17 : x
  2. Step 2: Convert to fraction form
    380,793.05/571,195.64 = 144,072.17/x
  3. Step 3: Cross multiply
    380,793.05x = 571,195.64 × 144,072.17
  4. Step 4: Simplify right side
    380,793.05x = 82,293,395,349.34
  5. Step 5: Solve for x
    x = 82,293,395,349.34/380,793.05
  6. Step 6: Final answer
    x = 216,110.55

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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.