Home / 505,028.32-757,646.16-150,010.72

Finding the Fourth Proportional to 505,028.32, 757,646.16 and 150,010.72

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Solution

The fourth proportional to 505,028.32, 757,646.16 and 150,010.72 is: 225,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,028.32 : 757,646.16 = 150,010.72 : x
  2. Step 2: Convert to fraction form
    505,028.32/757,646.16 = 150,010.72/x
  3. Step 3: Cross multiply
    505,028.32x = 757,646.16 × 150,010.72
  4. Step 4: Simplify right side
    505,028.32x = 113,655,045,966.84
  5. Step 5: Solve for x
    x = 113,655,045,966.84/505,028.32
  6. Step 6: Final answer
    x = 225,046.88

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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.