Home / 380,051.43-524,477.61-207,984.48

Finding the Fourth Proportional to 380,051.43, 524,477.61 and 207,984.48

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Solution

The fourth proportional to 380,051.43, 524,477.61 and 207,984.48 is: 287,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,051.43 : 524,477.61 = 207,984.48 : x
  2. Step 2: Convert to fraction form
    380,051.43/524,477.61 = 207,984.48/x
  3. Step 3: Cross multiply
    380,051.43x = 524,477.61 × 207,984.48
  4. Step 4: Simplify right side
    380,051.43x = 109,083,202,987.49
  5. Step 5: Solve for x
    x = 109,083,202,987.49/380,051.43
  6. Step 6: Final answer
    x = 287,022.21

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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.