Home / 313,858.23-433,119.24-170,621.88

Finding the Fourth Proportional to 313,858.23, 433,119.24 and 170,621.88

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Solution

The fourth proportional to 313,858.23, 433,119.24 and 170,621.88 is: 235,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,858.23 : 433,119.24 = 170,621.88 : x
  2. Step 2: Convert to fraction form
    313,858.23/433,119.24 = 170,621.88/x
  3. Step 3: Cross multiply
    313,858.23x = 433,119.24 × 170,621.88
  4. Step 4: Simplify right side
    313,858.23x = 73,899,618,992.97
  5. Step 5: Solve for x
    x = 73,899,618,992.97/313,858.23
  6. Step 6: Final answer
    x = 235,455.41

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1.5x scale

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.