Home / 313,976.49-470,981.03-103,630.83

Finding the Fourth Proportional to 313,976.49, 470,981.03 and 103,630.83

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Solution

The fourth proportional to 313,976.49, 470,981.03 and 103,630.83 is: 155,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,976.49 : 470,981.03 = 103,630.83 : x
  2. Step 2: Convert to fraction form
    313,976.49/470,981.03 = 103,630.83/x
  3. Step 3: Cross multiply
    313,976.49x = 470,981.03 × 103,630.83
  4. Step 4: Simplify right side
    313,976.49x = 48,808,155,053.15
  5. Step 5: Solve for x
    x = 48,808,155,053.15/313,976.49
  6. Step 6: Final answer
    x = 155,451.62

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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.