Home / 291,942.30-402,883.29-171,155.10

Finding the Fourth Proportional to 291,942.30, 402,883.29 and 171,155.10

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Solution

The fourth proportional to 291,942.30, 402,883.29 and 171,155.10 is: 236,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,942.30 : 402,883.29 = 171,155.10 : x
  2. Step 2: Convert to fraction form
    291,942.30/402,883.29 = 171,155.10/x
  3. Step 3: Cross multiply
    291,942.30x = 402,883.29 × 171,155.10
  4. Step 4: Simplify right side
    291,942.30x = 68,955,529,788.28
  5. Step 5: Solve for x
    x = 68,955,529,788.28/291,942.30
  6. Step 6: Final answer
    x = 236,195.75

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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.