Home / 313,968.49-470,969.03-103,622.83

Finding the Fourth Proportional to 313,968.49, 470,969.03 and 103,622.83

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Solution

The fourth proportional to 313,968.49, 470,969.03 and 103,622.83 is: 155,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,968.49 : 470,969.03 = 103,622.83 : x
  2. Step 2: Convert to fraction form
    313,968.49/470,969.03 = 103,622.83/x
  3. Step 3: Cross multiply
    313,968.49x = 470,969.03 × 103,622.83
  4. Step 4: Simplify right side
    313,968.49x = 48,803,143,730.95
  5. Step 5: Solve for x
    x = 48,803,143,730.95/313,968.49
  6. Step 6: Final answer
    x = 155,439.62

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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.