Home / 279,523.28-385,981.92-270,485.12

Finding the Fourth Proportional to 279,523.28, 385,981.92 and 270,485.12

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Solution

The fourth proportional to 279,523.28, 385,981.92 and 270,485.12 is: 373,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,523.28 : 385,981.92 = 270,485.12 : x
  2. Step 2: Convert to fraction form
    279,523.28/385,981.92 = 270,485.12/x
  3. Step 3: Cross multiply
    279,523.28x = 385,981.92 × 270,485.12
  4. Step 4: Simplify right side
    279,523.28x = 104,402,365,949.03
  5. Step 5: Solve for x
    x = 104,402,365,949.03/279,523.28
  6. Step 6: Final answer
    x = 373,501.51

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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.