Home / 228,604.14-317,374.07-221,761.26

Finding the Fourth Proportional to 228,604.14, 317,374.07 and 221,761.26

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Solution

The fourth proportional to 228,604.14, 317,374.07 and 221,761.26 is: 307,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,604.14 : 317,374.07 = 221,761.26 : x
  2. Step 2: Convert to fraction form
    228,604.14/317,374.07 = 221,761.26/x
  3. Step 3: Cross multiply
    228,604.14x = 317,374.07 × 221,761.26
  4. Step 4: Simplify right side
    228,604.14x = 70,381,272,545.72
  5. Step 5: Solve for x
    x = 70,381,272,545.72/228,604.14
  6. Step 6: Final answer
    x = 307,874.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.