Home / 374,973.20-517,383-222,059.44

Finding the Fourth Proportional to 374,973.20, 517,383 and 222,059.44

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Solution

The fourth proportional to 374,973.20, 517,383 and 222,059.44 is: 306,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,973.20 : 517,383 = 222,059.44 : x
  2. Step 2: Convert to fraction form
    374,973.20/517,383 = 222,059.44/x
  3. Step 3: Cross multiply
    374,973.20x = 517,383 × 222,059.44
  4. Step 4: Simplify right side
    374,973.20x = 114,889,779,245.52
  5. Step 5: Solve for x
    x = 114,889,779,245.52/374,973.20
  6. Step 6: Final answer
    x = 306,394.64

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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.