Home / 313,972.46-470,975.02-103,626.80

Finding the Fourth Proportional to 313,972.46, 470,975.02 and 103,626.80

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Solution

The fourth proportional to 313,972.46, 470,975.02 and 103,626.80 is: 155,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,972.46 : 470,975.02 = 103,626.80 : x
  2. Step 2: Convert to fraction form
    313,972.46/470,975.02 = 103,626.80/x
  3. Step 3: Cross multiply
    313,972.46x = 470,975.02 × 103,626.80
  4. Step 4: Simplify right side
    313,972.46x = 48,805,634,202.54
  5. Step 5: Solve for x
    x = 48,805,634,202.54/313,972.46
  6. Step 6: Final answer
    x = 155,445.59

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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.