Home / 380,282.24-524,719.68-219,114.56

Finding the Fourth Proportional to 380,282.24, 524,719.68 and 219,114.56

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Solution

The fourth proportional to 380,282.24, 524,719.68 and 219,114.56 is: 302,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,282.24 : 524,719.68 = 219,114.56 : x
  2. Step 2: Convert to fraction form
    380,282.24/524,719.68 = 219,114.56/x
  3. Step 3: Cross multiply
    380,282.24x = 524,719.68 × 219,114.56
  4. Step 4: Simplify right side
    380,282.24x = 114,973,721,806.54
  5. Step 5: Solve for x
    x = 114,973,721,806.54/380,282.24
  6. Step 6: Final answer
    x = 302,337.87

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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.