Home / 307,148.22-423,899.01-171,194.58

Finding the Fourth Proportional to 307,148.22, 423,899.01 and 171,194.58

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Solution

The fourth proportional to 307,148.22, 423,899.01 and 171,194.58 is: 236,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,148.22 : 423,899.01 = 171,194.58 : x
  2. Step 2: Convert to fraction form
    307,148.22/423,899.01 = 171,194.58/x
  3. Step 3: Cross multiply
    307,148.22x = 423,899.01 × 171,194.58
  4. Step 4: Simplify right side
    307,148.22x = 72,569,212,979.37
  5. Step 5: Solve for x
    x = 72,569,212,979.37/307,148.22
  6. Step 6: Final answer
    x = 236,267.73

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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.