Home / 412,945.09-619,643.32-160,235.49

Finding the Fourth Proportional to 412,945.09, 619,643.32 and 160,235.49

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Solution

The fourth proportional to 412,945.09, 619,643.32 and 160,235.49 is: 240,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,945.09 : 619,643.32 = 160,235.49 : x
  2. Step 2: Convert to fraction form
    412,945.09/619,643.32 = 160,235.49/x
  3. Step 3: Cross multiply
    412,945.09x = 619,643.32 × 160,235.49
  4. Step 4: Simplify right side
    412,945.09x = 99,288,851,185.75
  5. Step 5: Solve for x
    x = 99,288,851,185.75/412,945.09
  6. Step 6: Final answer
    x = 240,440.81

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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.