Home / 300,569.40-414,685.08-173,242.26

Finding the Fourth Proportional to 300,569.40, 414,685.08 and 173,242.26

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Solution

The fourth proportional to 300,569.40, 414,685.08 and 173,242.26 is: 239,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,569.40 : 414,685.08 = 173,242.26 : x
  2. Step 2: Convert to fraction form
    300,569.40/414,685.08 = 173,242.26/x
  3. Step 3: Cross multiply
    300,569.40x = 414,685.08 × 173,242.26
  4. Step 4: Simplify right side
    300,569.40x = 71,840,980,447.48
  5. Step 5: Solve for x
    x = 71,840,980,447.48/300,569.40
  6. Step 6: Final answer
    x = 239,016.28

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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.