Home / 380,257.90-524,719.45-227,265.62

Finding the Fourth Proportional to 380,257.90, 524,719.45 and 227,265.62

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Solution

The fourth proportional to 380,257.90, 524,719.45 and 227,265.62 is: 313,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,257.90 : 524,719.45 = 227,265.62 : x
  2. Step 2: Convert to fraction form
    380,257.90/524,719.45 = 227,265.62/x
  3. Step 3: Cross multiply
    380,257.90x = 524,719.45 × 227,265.62
  4. Step 4: Simplify right side
    380,257.90x = 119,250,691,742.34
  5. Step 5: Solve for x
    x = 119,250,691,742.34/380,257.90
  6. Step 6: Final answer
    x = 313,604.77

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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.