Home / 445,290.51-666,359.06-276,890.14

Finding the Fourth Proportional to 445,290.51, 666,359.06 and 276,890.14

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Solution

The fourth proportional to 445,290.51, 666,359.06 and 276,890.14 is: 414,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,290.51 : 666,359.06 = 276,890.14 : x
  2. Step 2: Convert to fraction form
    445,290.51/666,359.06 = 276,890.14/x
  3. Step 3: Cross multiply
    445,290.51x = 666,359.06 × 276,890.14
  4. Step 4: Simplify right side
    445,290.51x = 184,508,250,081.87
  5. Step 5: Solve for x
    x = 184,508,250,081.87/445,290.51
  6. Step 6: Final answer
    x = 414,354.78

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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.