Home / 307,053.06-423,726.84-171,086.46

Finding the Fourth Proportional to 307,053.06, 423,726.84 and 171,086.46

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Solution

The fourth proportional to 307,053.06, 423,726.84 and 171,086.46 is: 236,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,053.06 : 423,726.84 = 171,086.46 : x
  2. Step 2: Convert to fraction form
    307,053.06/423,726.84 = 171,086.46/x
  3. Step 3: Cross multiply
    307,053.06x = 423,726.84 × 171,086.46
  4. Step 4: Simplify right side
    307,053.06x = 72,493,925,062.59
  5. Step 5: Solve for x
    x = 72,493,925,062.59/307,053.06
  6. Step 6: Final answer
    x = 236,095.76

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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.