Home / 351,450.12-485,009.46-200,561.16

Finding the Fourth Proportional to 351,450.12, 485,009.46 and 200,561.16

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Solution

The fourth proportional to 351,450.12, 485,009.46 and 200,561.16 is: 276,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,450.12 : 485,009.46 = 200,561.16 : x
  2. Step 2: Convert to fraction form
    351,450.12/485,009.46 = 200,561.16/x
  3. Step 3: Cross multiply
    351,450.12x = 485,009.46 × 200,561.16
  4. Step 4: Simplify right side
    351,450.12x = 97,274,059,908.57
  5. Step 5: Solve for x
    x = 97,274,059,908.57/351,450.12
  6. Step 6: Final answer
    x = 276,779.13

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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.