Home / 307,081.88-423,773.82-178,045.36

Finding the Fourth Proportional to 307,081.88, 423,773.82 and 178,045.36

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Solution

The fourth proportional to 307,081.88, 423,773.82 and 178,045.36 is: 245,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,081.88 : 423,773.82 = 178,045.36 : x
  2. Step 2: Convert to fraction form
    307,081.88/423,773.82 = 178,045.36/x
  3. Step 3: Cross multiply
    307,081.88x = 423,773.82 × 178,045.36
  4. Step 4: Simplify right side
    307,081.88x = 75,450,962,340.48
  5. Step 5: Solve for x
    x = 75,450,962,340.48/307,081.88
  6. Step 6: Final answer
    x = 245,703.08

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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.