Home / 407,003.05-561,591.79-245,750.14

Finding the Fourth Proportional to 407,003.05, 561,591.79 and 245,750.14

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Solution

The fourth proportional to 407,003.05, 561,591.79 and 245,750.14 is: 339,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,003.05 : 561,591.79 = 245,750.14 : x
  2. Step 2: Convert to fraction form
    407,003.05/561,591.79 = 245,750.14/x
  3. Step 3: Cross multiply
    407,003.05x = 561,591.79 × 245,750.14
  4. Step 4: Simplify right side
    407,003.05x = 138,011,261,015.35
  5. Step 5: Solve for x
    x = 138,011,261,015.35/407,003.05
  6. Step 6: Final answer
    x = 339,091.47

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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.