Home / 380,144.04-524,594.78-205,710.43

Finding the Fourth Proportional to 380,144.04, 524,594.78 and 205,710.43

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Solution

The fourth proportional to 380,144.04, 524,594.78 and 205,710.43 is: 283,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,144.04 : 524,594.78 = 205,710.43 : x
  2. Step 2: Convert to fraction form
    380,144.04/524,594.78 = 205,710.43/x
  3. Step 3: Cross multiply
    380,144.04x = 524,594.78 × 205,710.43
  4. Step 4: Simplify right side
    380,144.04x = 107,914,616,287.68
  5. Step 5: Solve for x
    x = 107,914,616,287.68/380,144.04
  6. Step 6: Final answer
    x = 283,878.23

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1.5x scale

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.