Home / 313,977.49-470,982.53-103,631.83

Finding the Fourth Proportional to 313,977.49, 470,982.53 and 103,631.83

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Solution

The fourth proportional to 313,977.49, 470,982.53 and 103,631.83 is: 155,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,977.49 : 470,982.53 = 103,631.83 : x
  2. Step 2: Convert to fraction form
    313,977.49/470,982.53 = 103,631.83/x
  3. Step 3: Cross multiply
    313,977.49x = 470,982.53 × 103,631.83
  4. Step 4: Simplify right side
    313,977.49x = 48,808,781,481.93
  5. Step 5: Solve for x
    x = 48,808,781,481.93/313,977.49
  6. Step 6: Final answer
    x = 155,453.12

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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.