Home / 217,914.12-300,600.15-202,501.50

Finding the Fourth Proportional to 217,914.12, 300,600.15 and 202,501.50

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Solution

The fourth proportional to 217,914.12, 300,600.15 and 202,501.50 is: 279,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,914.12 : 300,600.15 = 202,501.50 : x
  2. Step 2: Convert to fraction form
    217,914.12/300,600.15 = 202,501.50/x
  3. Step 3: Cross multiply
    217,914.12x = 300,600.15 × 202,501.50
  4. Step 4: Simplify right side
    217,914.12x = 60,871,981,275.23
  5. Step 5: Solve for x
    x = 60,871,981,275.23/217,914.12
  6. Step 6: Final answer
    x = 279,339.32

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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.