Home / 217,272.92-299,831.24-120,477.15

Finding the Fourth Proportional to 217,272.92, 299,831.24 and 120,477.15

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Solution

The fourth proportional to 217,272.92, 299,831.24 and 120,477.15 is: 166,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,272.92 : 299,831.24 = 120,477.15 : x
  2. Step 2: Convert to fraction form
    217,272.92/299,831.24 = 120,477.15/x
  3. Step 3: Cross multiply
    217,272.92x = 299,831.24 × 120,477.15
  4. Step 4: Simplify right side
    217,272.92x = 36,122,813,577.36
  5. Step 5: Solve for x
    x = 36,122,813,577.36/217,272.92
  6. Step 6: Final answer
    x = 166,255.48

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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.