Home / 280,350.48-419,981.04-248,935.44

Finding the Fourth Proportional to 280,350.48, 419,981.04 and 248,935.44

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Solution

The fourth proportional to 280,350.48, 419,981.04 and 248,935.44 is: 372,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,350.48 : 419,981.04 = 248,935.44 : x
  2. Step 2: Convert to fraction form
    280,350.48/419,981.04 = 248,935.44/x
  3. Step 3: Cross multiply
    280,350.48x = 419,981.04 × 248,935.44
  4. Step 4: Simplify right side
    280,350.48x = 104,548,164,984.06
  5. Step 5: Solve for x
    x = 104,548,164,984.06/280,350.48
  6. Step 6: Final answer
    x = 372,919.51

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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.