Home / 380,208.45-524,743.08-219,032.49

Finding the Fourth Proportional to 380,208.45, 524,743.08 and 219,032.49

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Solution

The fourth proportional to 380,208.45, 524,743.08 and 219,032.49 is: 302,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,208.45 : 524,743.08 = 219,032.49 : x
  2. Step 2: Convert to fraction form
    380,208.45/524,743.08 = 219,032.49/x
  3. Step 3: Cross multiply
    380,208.45x = 524,743.08 × 219,032.49
  4. Step 4: Simplify right side
    380,208.45x = 114,935,783,422.67
  5. Step 5: Solve for x
    x = 114,935,783,422.67/380,208.45
  6. Step 6: Final answer
    x = 302,296.76

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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.