Home / 313,288.14-469,981.17-102,878.22

Finding the Fourth Proportional to 313,288.14, 469,981.17 and 102,878.22

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Solution

The fourth proportional to 313,288.14, 469,981.17 and 102,878.22 is: 154,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,288.14 : 469,981.17 = 102,878.22 : x
  2. Step 2: Convert to fraction form
    313,288.14/469,981.17 = 102,878.22/x
  3. Step 3: Cross multiply
    313,288.14x = 469,981.17 × 102,878.22
  4. Step 4: Simplify right side
    313,288.14x = 48,350,826,203.12
  5. Step 5: Solve for x
    x = 48,350,826,203.12/313,288.14
  6. Step 6: Final answer
    x = 154,333.41

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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.