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Finding the Fourth Proportional to 308,233.60, 462,004.80 and 130,710.40

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Solution

The fourth proportional to 308,233.60, 462,004.80 and 130,710.40 is: 195,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,233.60 : 462,004.80 = 130,710.40 : x
  2. Step 2: Convert to fraction form
    308,233.60/462,004.80 = 130,710.40/x
  3. Step 3: Cross multiply
    308,233.60x = 462,004.80 × 130,710.40
  4. Step 4: Simplify right side
    308,233.60x = 60,388,832,209.92
  5. Step 5: Solve for x
    x = 60,388,832,209.92/308,233.60
  6. Step 6: Final answer
    x = 195,919.04

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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.