Home / 380,289.70-524,635.05-229,302.82

Finding the Fourth Proportional to 380,289.70, 524,635.05 and 229,302.82

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Solution

The fourth proportional to 380,289.70, 524,635.05 and 229,302.82 is: 316,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,289.70 : 524,635.05 = 229,302.82 : x
  2. Step 2: Convert to fraction form
    380,289.70/524,635.05 = 229,302.82/x
  3. Step 3: Cross multiply
    380,289.70x = 524,635.05 × 229,302.82
  4. Step 4: Simplify right side
    380,289.70x = 120,300,296,435.84
  5. Step 5: Solve for x
    x = 120,300,296,435.84/380,289.70
  6. Step 6: Final answer
    x = 316,338.56

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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.