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Finding the Fourth Proportional to 308,065.36, 462,098.04 and 130,568.40

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Solution

The fourth proportional to 308,065.36, 462,098.04 and 130,568.40 is: 195,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,065.36 : 462,098.04 = 130,568.40 : x
  2. Step 2: Convert to fraction form
    308,065.36/462,098.04 = 130,568.40/x
  3. Step 3: Cross multiply
    308,065.36x = 462,098.04 × 130,568.40
  4. Step 4: Simplify right side
    308,065.36x = 60,335,401,725.94
  5. Step 5: Solve for x
    x = 60,335,401,725.94/308,065.36
  6. Step 6: Final answer
    x = 195,852.60

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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.