Home / 284,839.04-427,260-74,477.44

Finding the Fourth Proportional to 284,839.04, 427,260 and 74,477.44

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Solution

The fourth proportional to 284,839.04, 427,260 and 74,477.44 is: 111,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,839.04 : 427,260 = 74,477.44 : x
  2. Step 2: Convert to fraction form
    284,839.04/427,260 = 74,477.44/x
  3. Step 3: Cross multiply
    284,839.04x = 427,260 × 74,477.44
  4. Step 4: Simplify right side
    284,839.04x = 31,821,231,014.40
  5. Step 5: Solve for x
    x = 31,821,231,014.40/284,839.04
  6. Step 6: Final answer
    x = 111,716.54

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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.