Home / 301,112.89-451,724.70-245,446.91

Finding the Fourth Proportional to 301,112.89, 451,724.70 and 245,446.91

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Solution

The fourth proportional to 301,112.89, 451,724.70 and 245,446.91 is: 368,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,112.89 : 451,724.70 = 245,446.91 : x
  2. Step 2: Convert to fraction form
    301,112.89/451,724.70 = 245,446.91/x
  3. Step 3: Cross multiply
    301,112.89x = 451,724.70 × 245,446.91
  4. Step 4: Simplify right side
    301,112.89x = 110,874,430,760.81
  5. Step 5: Solve for x
    x = 110,874,430,760.81/301,112.89
  6. Step 6: Final answer
    x = 368,215.49

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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.