Home / 380,053.32-524,480.22-207,986.52

Finding the Fourth Proportional to 380,053.32, 524,480.22 and 207,986.52

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Solution

The fourth proportional to 380,053.32, 524,480.22 and 207,986.52 is: 287,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,053.32 : 524,480.22 = 207,986.52 : x
  2. Step 2: Convert to fraction form
    380,053.32/524,480.22 = 207,986.52/x
  3. Step 3: Cross multiply
    380,053.32x = 524,480.22 × 207,986.52
  4. Step 4: Simplify right side
    380,053.32x = 109,084,815,766.63
  5. Step 5: Solve for x
    x = 109,084,815,766.63/380,053.32
  6. Step 6: Final answer
    x = 287,025.03

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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.