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Finding the Fourth Proportional to 351,808, 527,712 and 154,816

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Solution

The fourth proportional to 351,808, 527,712 and 154,816 is: 232,224

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,808 : 527,712 = 154,816 : x
  2. Step 2: Convert to fraction form
    351,808/527,712 = 154,816/x
  3. Step 3: Cross multiply
    351,808x = 527,712 × 154,816
  4. Step 4: Simplify right side
    351,808x = 81,698,260,992
  5. Step 5: Solve for x
    x = 81,698,260,992/351,808
  6. Step 6: Final answer
    x = 232,224

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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.