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Finding the Fourth Proportional to 253,848.33, 380,783.01 and 209,392.29

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Solution

The fourth proportional to 253,848.33, 380,783.01 and 209,392.29 is: 314,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,848.33 : 380,783.01 = 209,392.29 : x
  2. Step 2: Convert to fraction form
    253,848.33/380,783.01 = 209,392.29/x
  3. Step 3: Cross multiply
    253,848.33x = 380,783.01 × 209,392.29
  4. Step 4: Simplify right side
    253,848.33x = 79,733,026,456.99
  5. Step 5: Solve for x
    x = 79,733,026,456.99/253,848.33
  6. Step 6: Final answer
    x = 314,097.11

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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.