Home / 394,984.47-592,336.58-142,197.08

Finding the Fourth Proportional to 394,984.47, 592,336.58 and 142,197.08

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Solution

The fourth proportional to 394,984.47, 592,336.58 and 142,197.08 is: 213,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,984.47 : 592,336.58 = 142,197.08 : x
  2. Step 2: Convert to fraction form
    394,984.47/592,336.58 = 142,197.08/x
  3. Step 3: Cross multiply
    394,984.47x = 592,336.58 × 142,197.08
  4. Step 4: Simplify right side
    394,984.47x = 84,228,534,713.33
  5. Step 5: Solve for x
    x = 84,228,534,713.33/394,984.47
  6. Step 6: Final answer
    x = 213,245.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.