Home / 291,060.28-401,662.60-163,735.98

Finding the Fourth Proportional to 291,060.28, 401,662.60 and 163,735.98

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Solution

The fourth proportional to 291,060.28, 401,662.60 and 163,735.98 is: 225,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,060.28 : 401,662.60 = 163,735.98 : x
  2. Step 2: Convert to fraction form
    291,060.28/401,662.60 = 163,735.98/x
  3. Step 3: Cross multiply
    291,060.28x = 401,662.60 × 163,735.98
  4. Step 4: Simplify right side
    291,060.28x = 65,766,619,440.35
  5. Step 5: Solve for x
    x = 65,766,619,440.35/291,060.28
  6. Step 6: Final answer
    x = 225,955.32

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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.