Home / 348,957.83-481,505.18-218,120.00

Finding the Fourth Proportional to 348,957.83, 481,505.18 and 218,120.00

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Solution

The fourth proportional to 348,957.83, 481,505.18 and 218,120.00 is: 300,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,957.83 : 481,505.18 = 218,120.00 : x
  2. Step 2: Convert to fraction form
    348,957.83/481,505.18 = 218,120.00/x
  3. Step 3: Cross multiply
    348,957.83x = 481,505.18 × 218,120.00
  4. Step 4: Simplify right side
    348,957.83x = 105,025,906,363.47
  5. Step 5: Solve for x
    x = 105,025,906,363.47/348,957.83
  6. Step 6: Final answer
    x = 300,970.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.