Home / 313,964.49-470,963.03-103,618.83

Finding the Fourth Proportional to 313,964.49, 470,963.03 and 103,618.83

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Solution

The fourth proportional to 313,964.49, 470,963.03 and 103,618.83 is: 155,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,964.49 : 470,963.03 = 103,618.83 : x
  2. Step 2: Convert to fraction form
    313,964.49/470,963.03 = 103,618.83/x
  3. Step 3: Cross multiply
    313,964.49x = 470,963.03 × 103,618.83
  4. Step 4: Simplify right side
    313,964.49x = 48,800,637,623.76
  5. Step 5: Solve for x
    x = 48,800,637,623.76/313,964.49
  6. Step 6: Final answer
    x = 155,433.62

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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.