Home / 313,971.96-470,974.26-103,626.36

Finding the Fourth Proportional to 313,971.96, 470,974.26 and 103,626.36

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Solution

The fourth proportional to 313,971.96, 470,974.26 and 103,626.36 is: 155,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,971.96 : 470,974.26 = 103,626.36 : x
  2. Step 2: Convert to fraction form
    313,971.96/470,974.26 = 103,626.36/x
  3. Step 3: Cross multiply
    313,971.96x = 470,974.26 × 103,626.36
  4. Step 4: Simplify right side
    313,971.96x = 48,805,348,217.49
  5. Step 5: Solve for x
    x = 48,805,348,217.49/313,971.96
  6. Step 6: Final answer
    x = 155,444.93

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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.