Home / 216,724.56-299,137.80-203,507.28

Finding the Fourth Proportional to 216,724.56, 299,137.80 and 203,507.28

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Solution

The fourth proportional to 216,724.56, 299,137.80 and 203,507.28 is: 280,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,724.56 : 299,137.80 = 203,507.28 : x
  2. Step 2: Convert to fraction form
    216,724.56/299,137.80 = 203,507.28/x
  3. Step 3: Cross multiply
    216,724.56x = 299,137.80 × 203,507.28
  4. Step 4: Simplify right side
    216,724.56x = 60,876,720,023.18
  5. Step 5: Solve for x
    x = 60,876,720,023.18/216,724.56
  6. Step 6: Final answer
    x = 280,894.42

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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.