Home / 313,972.71-470,975.40-103,627.05

Finding the Fourth Proportional to 313,972.71, 470,975.40 and 103,627.05

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Solution

The fourth proportional to 313,972.71, 470,975.40 and 103,627.05 is: 155,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,972.71 : 470,975.40 = 103,627.05 : x
  2. Step 2: Convert to fraction form
    313,972.71/470,975.40 = 103,627.05/x
  3. Step 3: Cross multiply
    313,972.71x = 470,975.40 × 103,627.05
  4. Step 4: Simplify right side
    313,972.71x = 48,805,791,324.57
  5. Step 5: Solve for x
    x = 48,805,791,324.57/313,972.71
  6. Step 6: Final answer
    x = 155,445.97

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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.