Home / 380,309.58-524,833.50-208,224.72

Finding the Fourth Proportional to 380,309.58, 524,833.50 and 208,224.72

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Solution

The fourth proportional to 380,309.58, 524,833.50 and 208,224.72 is: 287,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,309.58 : 524,833.50 = 208,224.72 : x
  2. Step 2: Convert to fraction form
    380,309.58/524,833.50 = 208,224.72/x
  3. Step 3: Cross multiply
    380,309.58x = 524,833.50 × 208,224.72
  4. Step 4: Simplify right side
    380,309.58x = 109,283,308,584.12
  5. Step 5: Solve for x
    x = 109,283,308,584.12/380,309.58
  6. Step 6: Final answer
    x = 287,353.55

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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.