Home / 307,060.88-423,747.05-179,739.20

Finding the Fourth Proportional to 307,060.88, 423,747.05 and 179,739.20

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Solution

The fourth proportional to 307,060.88, 423,747.05 and 179,739.20 is: 248,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,060.88 : 423,747.05 = 179,739.20 : x
  2. Step 2: Convert to fraction form
    307,060.88/423,747.05 = 179,739.20/x
  3. Step 3: Cross multiply
    307,060.88x = 423,747.05 × 179,739.20
  4. Step 4: Simplify right side
    307,060.88x = 76,163,955,930.03
  5. Step 5: Solve for x
    x = 76,163,955,930.03/307,060.88
  6. Step 6: Final answer
    x = 248,041.88

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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.