Home / 303,945.18-456,049-163,675.86

Finding the Fourth Proportional to 303,945.18, 456,049 and 163,675.86

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Solution

The fourth proportional to 303,945.18, 456,049 and 163,675.86 is: 245,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,945.18 : 456,049 = 163,675.86 : x
  2. Step 2: Convert to fraction form
    303,945.18/456,049 = 163,675.86/x
  3. Step 3: Cross multiply
    303,945.18x = 456,049 × 163,675.86
  4. Step 4: Simplify right side
    303,945.18x = 74,644,212,277.14
  5. Step 5: Solve for x
    x = 74,644,212,277.14/303,945.18
  6. Step 6: Final answer
    x = 245,584.46

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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.