Home / 395,022.49-592,538.77-138,844.72

Finding the Fourth Proportional to 395,022.49, 592,538.77 and 138,844.72

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Solution

The fourth proportional to 395,022.49, 592,538.77 and 138,844.72 is: 208,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,022.49 : 592,538.77 = 138,844.72 : x
  2. Step 2: Convert to fraction form
    395,022.49/592,538.77 = 138,844.72/x
  3. Step 3: Cross multiply
    395,022.49x = 592,538.77 × 138,844.72
  4. Step 4: Simplify right side
    395,022.49x = 82,270,880,003.36
  5. Step 5: Solve for x
    x = 82,270,880,003.36/395,022.49
  6. Step 6: Final answer
    x = 208,268.85

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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.