Home / 222,349.40-306,634.86-205,836.20

Finding the Fourth Proportional to 222,349.40, 306,634.86 and 205,836.20

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Solution

The fourth proportional to 222,349.40, 306,634.86 and 205,836.20 is: 283,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,349.40 : 306,634.86 = 205,836.20 : x
  2. Step 2: Convert to fraction form
    222,349.40/306,634.86 = 205,836.20/x
  3. Step 3: Cross multiply
    222,349.40x = 306,634.86 × 205,836.20
  4. Step 4: Simplify right side
    222,349.40x = 63,116,554,369.93
  5. Step 5: Solve for x
    x = 63,116,554,369.93/222,349.40
  6. Step 6: Final answer
    x = 283,862.04

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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.