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Finding the Fourth Proportional to 347,362.29, 521,043.39 and 98,044.29

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Solution

The fourth proportional to 347,362.29, 521,043.39 and 98,044.29 is: 147,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,362.29 : 521,043.39 = 98,044.29 : x
  2. Step 2: Convert to fraction form
    347,362.29/521,043.39 = 98,044.29/x
  3. Step 3: Cross multiply
    347,362.29x = 521,043.39 × 98,044.29
  4. Step 4: Simplify right side
    347,362.29x = 51,085,329,231.74
  5. Step 5: Solve for x
    x = 51,085,329,231.74/347,362.29
  6. Step 6: Final answer
    x = 147,066.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.