Home / 306,921.36-423,524.52-170,945.04

Finding the Fourth Proportional to 306,921.36, 423,524.52 and 170,945.04

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Solution

The fourth proportional to 306,921.36, 423,524.52 and 170,945.04 is: 235,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,921.36 : 423,524.52 = 170,945.04 : x
  2. Step 2: Convert to fraction form
    306,921.36/423,524.52 = 170,945.04/x
  3. Step 3: Cross multiply
    306,921.36x = 423,524.52 × 170,945.04
  4. Step 4: Simplify right side
    306,921.36x = 72,399,416,012.38
  5. Step 5: Solve for x
    x = 72,399,416,012.38/306,921.36
  6. Step 6: Final answer
    x = 235,889.14

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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.