Home / 274,225.43-411,435.56-122,408.75

Finding the Fourth Proportional to 274,225.43, 411,435.56 and 122,408.75

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Solution

The fourth proportional to 274,225.43, 411,435.56 and 122,408.75 is: 183,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,225.43 : 411,435.56 = 122,408.75 : x
  2. Step 2: Convert to fraction form
    274,225.43/411,435.56 = 122,408.75/x
  3. Step 3: Cross multiply
    274,225.43x = 411,435.56 × 122,408.75
  4. Step 4: Simplify right side
    274,225.43x = 50,363,310,547.97
  5. Step 5: Solve for x
    x = 50,363,310,547.97/274,225.43
  6. Step 6: Final answer
    x = 183,656.60

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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.