Home / 371,650.49-512,831.94-226,403.55

Finding the Fourth Proportional to 371,650.49, 512,831.94 and 226,403.55

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Solution

The fourth proportional to 371,650.49, 512,831.94 and 226,403.55 is: 312,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,650.49 : 512,831.94 = 226,403.55 : x
  2. Step 2: Convert to fraction form
    371,650.49/512,831.94 = 226,403.55/x
  3. Step 3: Cross multiply
    371,650.49x = 512,831.94 × 226,403.55
  4. Step 4: Simplify right side
    371,650.49x = 116,106,971,769.39
  5. Step 5: Solve for x
    x = 116,106,971,769.39/371,650.49
  6. Step 6: Final answer
    x = 312,409.04

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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.