Home / 290,564.36-400,957.26-163,261.16

Finding the Fourth Proportional to 290,564.36, 400,957.26 and 163,261.16

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Solution

The fourth proportional to 290,564.36, 400,957.26 and 163,261.16 is: 225,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,564.36 : 400,957.26 = 163,261.16 : x
  2. Step 2: Convert to fraction form
    290,564.36/400,957.26 = 163,261.16/x
  3. Step 3: Cross multiply
    290,564.36x = 400,957.26 × 163,261.16
  4. Step 4: Simplify right side
    290,564.36x = 65,460,747,378.02
  5. Step 5: Solve for x
    x = 65,460,747,378.02/290,564.36
  6. Step 6: Final answer
    x = 225,288.29

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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.