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Finding the Fourth Proportional to 352,001.56, 485,787.90 and 201,095.32

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Solution

The fourth proportional to 352,001.56, 485,787.90 and 201,095.32 is: 277,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.56 : 485,787.90 = 201,095.32 : x
  2. Step 2: Convert to fraction form
    352,001.56/485,787.90 = 201,095.32/x
  3. Step 3: Cross multiply
    352,001.56x = 485,787.90 × 201,095.32
  4. Step 4: Simplify right side
    352,001.56x = 97,689,673,202.63
  5. Step 5: Solve for x
    x = 97,689,673,202.63/352,001.56
  6. Step 6: Final answer
    x = 277,526.25

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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.