Home / 304,961.49-420,863.04-169,010.28

Finding the Fourth Proportional to 304,961.49, 420,863.04 and 169,010.28

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Solution

The fourth proportional to 304,961.49, 420,863.04 and 169,010.28 is: 233,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,961.49 : 420,863.04 = 169,010.28 : x
  2. Step 2: Convert to fraction form
    304,961.49/420,863.04 = 169,010.28/x
  3. Step 3: Cross multiply
    304,961.49x = 420,863.04 × 169,010.28
  4. Step 4: Simplify right side
    304,961.49x = 71,130,180,232.05
  5. Step 5: Solve for x
    x = 71,130,180,232.05/304,961.49
  6. Step 6: Final answer
    x = 233,243.16

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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.