Home / 306,747.69-423,226.66-197,805.93

Finding the Fourth Proportional to 306,747.69, 423,226.66 and 197,805.93

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Solution

The fourth proportional to 306,747.69, 423,226.66 and 197,805.93 is: 272,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,747.69 : 423,226.66 = 197,805.93 : x
  2. Step 2: Convert to fraction form
    306,747.69/423,226.66 = 197,805.93/x
  3. Step 3: Cross multiply
    306,747.69x = 423,226.66 × 197,805.93
  4. Step 4: Simplify right side
    306,747.69x = 83,716,743,082.09
  5. Step 5: Solve for x
    x = 83,716,743,082.09/306,747.69
  6. Step 6: Final answer
    x = 272,917.27

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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.