Home / 372,075.83-557,933.19-218,243.85

Finding the Fourth Proportional to 372,075.83, 557,933.19 and 218,243.85

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Solution

The fourth proportional to 372,075.83, 557,933.19 and 218,243.85 is: 327,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,075.83 : 557,933.19 = 218,243.85 : x
  2. Step 2: Convert to fraction form
    372,075.83/557,933.19 = 218,243.85/x
  3. Step 3: Cross multiply
    372,075.83x = 557,933.19 × 218,243.85
  4. Step 4: Simplify right side
    372,075.83x = 121,765,487,428.38
  5. Step 5: Solve for x
    x = 121,765,487,428.38/372,075.83
  6. Step 6: Final answer
    x = 327,259.87

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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.