Home / 328,786.38-492,782.97-160,053.78

Finding the Fourth Proportional to 328,786.38, 492,782.97 and 160,053.78

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Solution

The fourth proportional to 328,786.38, 492,782.97 and 160,053.78 is: 239,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,786.38 : 492,782.97 = 160,053.78 : x
  2. Step 2: Convert to fraction form
    328,786.38/492,782.97 = 160,053.78/x
  3. Step 3: Cross multiply
    328,786.38x = 492,782.97 × 160,053.78
  4. Step 4: Simplify right side
    328,786.38x = 78,871,777,068.13
  5. Step 5: Solve for x
    x = 78,871,777,068.13/328,786.38
  6. Step 6: Final answer
    x = 239,887.60

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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.