Home / 356,491.40-534,564.30-198,552.20

Finding the Fourth Proportional to 356,491.40, 534,564.30 and 198,552.20

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Solution

The fourth proportional to 356,491.40, 534,564.30 and 198,552.20 is: 297,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,491.40 : 534,564.30 = 198,552.20 : x
  2. Step 2: Convert to fraction form
    356,491.40/534,564.30 = 198,552.20/x
  3. Step 3: Cross multiply
    356,491.40x = 534,564.30 × 198,552.20
  4. Step 4: Simplify right side
    356,491.40x = 106,138,917,806.46
  5. Step 5: Solve for x
    x = 106,138,917,806.46/356,491.40
  6. Step 6: Final answer
    x = 297,732.06

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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.