Home / 350,940.72-484,180.39-286,298.20

Finding the Fourth Proportional to 350,940.72, 484,180.39 and 286,298.20

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Solution

The fourth proportional to 350,940.72, 484,180.39 and 286,298.20 is: 394,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,940.72 : 484,180.39 = 286,298.20 : x
  2. Step 2: Convert to fraction form
    350,940.72/484,180.39 = 286,298.20/x
  3. Step 3: Cross multiply
    350,940.72x = 484,180.39 × 286,298.20
  4. Step 4: Simplify right side
    350,940.72x = 138,619,974,132.30
  5. Step 5: Solve for x
    x = 138,619,974,132.30/350,940.72
  6. Step 6: Final answer
    x = 394,995.41

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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.