Home / 201,986.20-302,979.30-170,882.20

Finding the Fourth Proportional to 201,986.20, 302,979.30 and 170,882.20

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Solution

The fourth proportional to 201,986.20, 302,979.30 and 170,882.20 is: 256,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,986.20 : 302,979.30 = 170,882.20 : x
  2. Step 2: Convert to fraction form
    201,986.20/302,979.30 = 170,882.20/x
  3. Step 3: Cross multiply
    201,986.20x = 302,979.30 × 170,882.20
  4. Step 4: Simplify right side
    201,986.20x = 51,773,769,338.46
  5. Step 5: Solve for x
    x = 51,773,769,338.46/201,986.20
  6. Step 6: Final answer
    x = 256,323.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.