Home / 313,977.46-470,982.54-103,631.80

Finding the Fourth Proportional to 313,977.46, 470,982.54 and 103,631.80

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Solution

The fourth proportional to 313,977.46, 470,982.54 and 103,631.80 is: 155,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,977.46 : 470,982.54 = 103,631.80 : x
  2. Step 2: Convert to fraction form
    313,977.46/470,982.54 = 103,631.80/x
  3. Step 3: Cross multiply
    313,977.46x = 470,982.54 × 103,631.80
  4. Step 4: Simplify right side
    313,977.46x = 48,808,768,388.77
  5. Step 5: Solve for x
    x = 48,808,768,388.77/313,977.46
  6. Step 6: Final answer
    x = 155,453.10

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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.