Home / 380,272.31-524,775.94-208,201.43

Finding the Fourth Proportional to 380,272.31, 524,775.94 and 208,201.43

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Solution

The fourth proportional to 380,272.31, 524,775.94 and 208,201.43 is: 287,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,272.31 : 524,775.94 = 208,201.43 : x
  2. Step 2: Convert to fraction form
    380,272.31/524,775.94 = 208,201.43/x
  3. Step 3: Cross multiply
    380,272.31x = 524,775.94 × 208,201.43
  4. Step 4: Simplify right side
    380,272.31x = 109,259,098,513.71
  5. Step 5: Solve for x
    x = 109,259,098,513.71/380,272.31
  6. Step 6: Final answer
    x = 287,318.05

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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.