Home / 313,929.45-470,657.05-161,963.73

Finding the Fourth Proportional to 313,929.45, 470,657.05 and 161,963.73

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Solution

The fourth proportional to 313,929.45, 470,657.05 and 161,963.73 is: 242,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,929.45 : 470,657.05 = 161,963.73 : x
  2. Step 2: Convert to fraction form
    313,929.45/470,657.05 = 161,963.73/x
  3. Step 3: Cross multiply
    313,929.45x = 470,657.05 × 161,963.73
  4. Step 4: Simplify right side
    313,929.45x = 76,229,371,368.80
  5. Step 5: Solve for x
    x = 76,229,371,368.80/313,929.45
  6. Step 6: Final answer
    x = 242,823.26

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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.