Home / 222,289.31-306,675.53-145,850.59

Finding the Fourth Proportional to 222,289.31, 306,675.53 and 145,850.59

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Solution

The fourth proportional to 222,289.31, 306,675.53 and 145,850.59 is: 201,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,289.31 : 306,675.53 = 145,850.59 : x
  2. Step 2: Convert to fraction form
    222,289.31/306,675.53 = 145,850.59/x
  3. Step 3: Cross multiply
    222,289.31x = 306,675.53 × 145,850.59
  4. Step 4: Simplify right side
    222,289.31x = 44,728,806,101.41
  5. Step 5: Solve for x
    x = 44,728,806,101.41/222,289.31
  6. Step 6: Final answer
    x = 201,218.88

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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.