Home / 303,860.45-456,076.73-154,208.14

Finding the Fourth Proportional to 303,860.45, 456,076.73 and 154,208.14

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Solution

The fourth proportional to 303,860.45, 456,076.73 and 154,208.14 is: 231,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,860.45 : 456,076.73 = 154,208.14 : x
  2. Step 2: Convert to fraction form
    303,860.45/456,076.73 = 154,208.14/x
  3. Step 3: Cross multiply
    303,860.45x = 456,076.73 × 154,208.14
  4. Step 4: Simplify right side
    303,860.45x = 70,330,744,230.58
  5. Step 5: Solve for x
    x = 70,330,744,230.58/303,860.45
  6. Step 6: Final answer
    x = 231,457.38

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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.