Home / 306,836.19-423,348.39-197,894.43

Finding the Fourth Proportional to 306,836.19, 423,348.39 and 197,894.43

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Solution

The fourth proportional to 306,836.19, 423,348.39 and 197,894.43 is: 273,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,836.19 : 423,348.39 = 197,894.43 : x
  2. Step 2: Convert to fraction form
    306,836.19/423,348.39 = 197,894.43/x
  3. Step 3: Cross multiply
    306,836.19x = 423,348.39 × 197,894.43
  4. Step 4: Simplify right side
    306,836.19x = 83,778,288,330.47
  5. Step 5: Solve for x
    x = 83,778,288,330.47/306,836.19
  6. Step 6: Final answer
    x = 273,039.14

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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.