Home / 307,164.28-423,890.95-171,194.44

Finding the Fourth Proportional to 307,164.28, 423,890.95 and 171,194.44

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Solution

The fourth proportional to 307,164.28, 423,890.95 and 171,194.44 is: 236,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,164.28 : 423,890.95 = 171,194.44 : x
  2. Step 2: Convert to fraction form
    307,164.28/423,890.95 = 171,194.44/x
  3. Step 3: Cross multiply
    307,164.28x = 423,890.95 × 171,194.44
  4. Step 4: Simplify right side
    307,164.28x = 72,567,773,806.32
  5. Step 5: Solve for x
    x = 72,567,773,806.32/307,164.28
  6. Step 6: Final answer
    x = 236,250.69

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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.