Home / 198,619.70-297,929.68-58,476.74

Finding the Fourth Proportional to 198,619.70, 297,929.68 and 58,476.74

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Solution

The fourth proportional to 198,619.70, 297,929.68 and 58,476.74 is: 87,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,619.70 : 297,929.68 = 58,476.74 : x
  2. Step 2: Convert to fraction form
    198,619.70/297,929.68 = 58,476.74/x
  3. Step 3: Cross multiply
    198,619.70x = 297,929.68 × 58,476.74
  4. Step 4: Simplify right side
    198,619.70x = 17,421,954,799.80
  5. Step 5: Solve for x
    x = 17,421,954,799.80/198,619.70
  6. Step 6: Final answer
    x = 87,715.14

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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.