Home / 422,268.84-582,742.34-238,492.67

Finding the Fourth Proportional to 422,268.84, 582,742.34 and 238,492.67

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Solution

The fourth proportional to 422,268.84, 582,742.34 and 238,492.67 is: 329,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,268.84 : 582,742.34 = 238,492.67 : x
  2. Step 2: Convert to fraction form
    422,268.84/582,742.34 = 238,492.67/x
  3. Step 3: Cross multiply
    422,268.84x = 582,742.34 × 238,492.67
  4. Step 4: Simplify right side
    422,268.84x = 138,979,772,482.47
  5. Step 5: Solve for x
    x = 138,979,772,482.47/422,268.84
  6. Step 6: Final answer
    x = 329,126.28

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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.