Home / 284,231.94-392,241.33-156,908.58

Finding the Fourth Proportional to 284,231.94, 392,241.33 and 156,908.58

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Solution

The fourth proportional to 284,231.94, 392,241.33 and 156,908.58 is: 216,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,231.94 : 392,241.33 = 156,908.58 : x
  2. Step 2: Convert to fraction form
    284,231.94/392,241.33 = 156,908.58/x
  3. Step 3: Cross multiply
    284,231.94x = 392,241.33 × 156,908.58
  4. Step 4: Simplify right side
    284,231.94x = 61,546,030,107.61
  5. Step 5: Solve for x
    x = 61,546,030,107.61/284,231.94
  6. Step 6: Final answer
    x = 216,534.53

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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.