Home / 382,984.94-528,519.21-213,259.10

Finding the Fourth Proportional to 382,984.94, 528,519.21 and 213,259.10

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Solution

The fourth proportional to 382,984.94, 528,519.21 and 213,259.10 is: 294,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,984.94 : 528,519.21 = 213,259.10 : x
  2. Step 2: Convert to fraction form
    382,984.94/528,519.21 = 213,259.10/x
  3. Step 3: Cross multiply
    382,984.94x = 528,519.21 × 213,259.10
  4. Step 4: Simplify right side
    382,984.94x = 112,711,531,057.31
  5. Step 5: Solve for x
    x = 112,711,531,057.31/382,984.94
  6. Step 6: Final answer
    x = 294,297.55

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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.