Home / 325,435.34-487,970.22-222,968.36

Finding the Fourth Proportional to 325,435.34, 487,970.22 and 222,968.36

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Solution

The fourth proportional to 325,435.34, 487,970.22 and 222,968.36 is: 334,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,435.34 : 487,970.22 = 222,968.36 : x
  2. Step 2: Convert to fraction form
    325,435.34/487,970.22 = 222,968.36/x
  3. Step 3: Cross multiply
    325,435.34x = 487,970.22 × 222,968.36
  4. Step 4: Simplify right side
    325,435.34x = 108,801,919,682.24
  5. Step 5: Solve for x
    x = 108,801,919,682.24/325,435.34
  6. Step 6: Final answer
    x = 334,327.30

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1.5x scale

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.