Home / 201,728.90-302,593.35-170,236.10

Finding the Fourth Proportional to 201,728.90, 302,593.35 and 170,236.10

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Solution

The fourth proportional to 201,728.90, 302,593.35 and 170,236.10 is: 255,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,728.90 : 302,593.35 = 170,236.10 : x
  2. Step 2: Convert to fraction form
    201,728.90/302,593.35 = 170,236.10/x
  3. Step 3: Cross multiply
    201,728.90x = 302,593.35 × 170,236.10
  4. Step 4: Simplify right side
    201,728.90x = 51,512,311,789.94
  5. Step 5: Solve for x
    x = 51,512,311,789.94/201,728.90
  6. Step 6: Final answer
    x = 255,354.15

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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.