Home / 202,379.58-279,531.81-151,619.31

Finding the Fourth Proportional to 202,379.58, 279,531.81 and 151,619.31

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Solution

The fourth proportional to 202,379.58, 279,531.81 and 151,619.31 is: 209,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,379.58 : 279,531.81 = 151,619.31 : x
  2. Step 2: Convert to fraction form
    202,379.58/279,531.81 = 151,619.31/x
  3. Step 3: Cross multiply
    202,379.58x = 279,531.81 × 151,619.31
  4. Step 4: Simplify right side
    202,379.58x = 42,382,420,155.25
  5. Step 5: Solve for x
    x = 42,382,420,155.25/202,379.58
  6. Step 6: Final answer
    x = 209,420.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.