Home / 291,218.10-401,814.46-163,847.22

Finding the Fourth Proportional to 291,218.10, 401,814.46 and 163,847.22

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Solution

The fourth proportional to 291,218.10, 401,814.46 and 163,847.22 is: 226,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,218.10 : 401,814.46 = 163,847.22 : x
  2. Step 2: Convert to fraction form
    291,218.10/401,814.46 = 163,847.22/x
  3. Step 3: Cross multiply
    291,218.10x = 401,814.46 × 163,847.22
  4. Step 4: Simplify right side
    291,218.10x = 65,836,182,226.80
  5. Step 5: Solve for x
    x = 65,836,182,226.80/291,218.10
  6. Step 6: Final answer
    x = 226,071.74

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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.