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Finding the Fourth Proportional to 308,300.79, 462,170.92 and 118,640.22

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Solution

The fourth proportional to 308,300.79, 462,170.92 and 118,640.22 is: 177,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,300.79 : 462,170.92 = 118,640.22 : x
  2. Step 2: Convert to fraction form
    308,300.79/462,170.92 = 118,640.22/x
  3. Step 3: Cross multiply
    308,300.79x = 462,170.92 × 118,640.22
  4. Step 4: Simplify right side
    308,300.79x = 54,832,059,626.40
  5. Step 5: Solve for x
    x = 54,832,059,626.40/308,300.79
  6. Step 6: Final answer
    x = 177,852.48

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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.