Home / 380,293.88-524,811.74-208,208.97

Finding the Fourth Proportional to 380,293.88, 524,811.74 and 208,208.97

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Solution

The fourth proportional to 380,293.88, 524,811.74 and 208,208.97 is: 287,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,293.88 : 524,811.74 = 208,208.97 : x
  2. Step 2: Convert to fraction form
    380,293.88/524,811.74 = 208,208.97/x
  3. Step 3: Cross multiply
    380,293.88x = 524,811.74 × 208,208.97
  4. Step 4: Simplify right side
    380,293.88x = 109,270,510,788.26
  5. Step 5: Solve for x
    x = 109,270,510,788.26/380,293.88
  6. Step 6: Final answer
    x = 287,331.77

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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.