Home / 380,301.39-524,932.65-219,263.94

Finding the Fourth Proportional to 380,301.39, 524,932.65 and 219,263.94

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Solution

The fourth proportional to 380,301.39, 524,932.65 and 219,263.94 is: 302,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,301.39 : 524,932.65 = 219,263.94 : x
  2. Step 2: Convert to fraction form
    380,301.39/524,932.65 = 219,263.94/x
  3. Step 3: Cross multiply
    380,301.39x = 524,932.65 × 219,263.94
  4. Step 4: Simplify right side
    380,301.39x = 115,098,801,073.64
  5. Step 5: Solve for x
    x = 115,098,801,073.64/380,301.39
  6. Step 6: Final answer
    x = 302,651.54

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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.