Home / 304,091.28-456,211.30-214,309.16

Finding the Fourth Proportional to 304,091.28, 456,211.30 and 214,309.16

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Solution

The fourth proportional to 304,091.28, 456,211.30 and 214,309.16 is: 321,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,091.28 : 456,211.30 = 214,309.16 : x
  2. Step 2: Convert to fraction form
    304,091.28/456,211.30 = 214,309.16/x
  3. Step 3: Cross multiply
    304,091.28x = 456,211.30 × 214,309.16
  4. Step 4: Simplify right side
    304,091.28x = 97,770,260,485.51
  5. Step 5: Solve for x
    x = 97,770,260,485.51/304,091.28
  6. Step 6: Final answer
    x = 321,516.16

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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.