Home / 313,972.49-470,975.03-103,626.83

Finding the Fourth Proportional to 313,972.49, 470,975.03 and 103,626.83

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Solution

The fourth proportional to 313,972.49, 470,975.03 and 103,626.83 is: 155,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,972.49 : 470,975.03 = 103,626.83 : x
  2. Step 2: Convert to fraction form
    313,972.49/470,975.03 = 103,626.83/x
  3. Step 3: Cross multiply
    313,972.49x = 470,975.03 × 103,626.83
  4. Step 4: Simplify right side
    313,972.49x = 48,805,649,368.05
  5. Step 5: Solve for x
    x = 48,805,649,368.05/313,972.49
  6. Step 6: Final answer
    x = 155,445.62

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1.5x scale

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.