Home / 351,451.12-485,010.84-200,562.16

Finding the Fourth Proportional to 351,451.12, 485,010.84 and 200,562.16

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Solution

The fourth proportional to 351,451.12, 485,010.84 and 200,562.16 is: 276,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,451.12 : 485,010.84 = 200,562.16 : x
  2. Step 2: Convert to fraction form
    351,451.12/485,010.84 = 200,562.16/x
  3. Step 3: Cross multiply
    351,451.12x = 485,010.84 × 200,562.16
  4. Step 4: Simplify right side
    351,451.12x = 97,274,821,693.81
  5. Step 5: Solve for x
    x = 97,274,821,693.81/351,451.12
  6. Step 6: Final answer
    x = 276,780.51

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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.