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Finding the Fourth Proportional to 348,553.15, 480,957.31 and 195,585.46

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Solution

The fourth proportional to 348,553.15, 480,957.31 and 195,585.46 is: 269,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,553.15 : 480,957.31 = 195,585.46 : x
  2. Step 2: Convert to fraction form
    348,553.15/480,957.31 = 195,585.46/x
  3. Step 3: Cross multiply
    348,553.15x = 480,957.31 × 195,585.46
  4. Step 4: Simplify right side
    348,553.15x = 94,068,256,716.71
  5. Step 5: Solve for x
    x = 94,068,256,716.71/348,553.15
  6. Step 6: Final answer
    x = 269,882.10

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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.