Home / 388,839.58-536,571.30-214,402.03

Finding the Fourth Proportional to 388,839.58, 536,571.30 and 214,402.03

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Solution

The fourth proportional to 388,839.58, 536,571.30 and 214,402.03 is: 295,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,839.58 : 536,571.30 = 214,402.03 : x
  2. Step 2: Convert to fraction form
    388,839.58/536,571.30 = 214,402.03/x
  3. Step 3: Cross multiply
    388,839.58x = 536,571.30 × 214,402.03
  4. Step 4: Simplify right side
    388,839.58x = 115,041,975,422.32
  5. Step 5: Solve for x
    x = 115,041,975,422.32/388,839.58
  6. Step 6: Final answer
    x = 295,859.74

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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.