Home / 291,727.64-402,581.74-162,664.60

Finding the Fourth Proportional to 291,727.64, 402,581.74 and 162,664.60

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Solution

The fourth proportional to 291,727.64, 402,581.74 and 162,664.60 is: 224,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,727.64 : 402,581.74 = 162,664.60 : x
  2. Step 2: Convert to fraction form
    291,727.64/402,581.74 = 162,664.60/x
  3. Step 3: Cross multiply
    291,727.64x = 402,581.74 × 162,664.60
  4. Step 4: Simplify right side
    291,727.64x = 65,485,797,704.40
  5. Step 5: Solve for x
    x = 65,485,797,704.40/291,727.64
  6. Step 6: Final answer
    x = 224,475.81

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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.