Home / 291,619.44-402,429.60-164,292.30

Finding the Fourth Proportional to 291,619.44, 402,429.60 and 164,292.30

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Solution

The fourth proportional to 291,619.44, 402,429.60 and 164,292.30 is: 226,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,619.44 : 402,429.60 = 164,292.30 : x
  2. Step 2: Convert to fraction form
    291,619.44/402,429.60 = 164,292.30/x
  3. Step 3: Cross multiply
    291,619.44x = 402,429.60 × 164,292.30
  4. Step 4: Simplify right side
    291,619.44x = 66,116,084,572.08
  5. Step 5: Solve for x
    x = 66,116,084,572.08/291,619.44
  6. Step 6: Final answer
    x = 226,720.43

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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.