Home / 307,187.28-423,920.52-179,865

Finding the Fourth Proportional to 307,187.28, 423,920.52 and 179,865

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Solution

The fourth proportional to 307,187.28, 423,920.52 and 179,865 is: 248,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,187.28 : 423,920.52 = 179,865 : x
  2. Step 2: Convert to fraction form
    307,187.28/423,920.52 = 179,865/x
  3. Step 3: Cross multiply
    307,187.28x = 423,920.52 × 179,865
  4. Step 4: Simplify right side
    307,187.28x = 76,248,464,329.80
  5. Step 5: Solve for x
    x = 76,248,464,329.80/307,187.28
  6. Step 6: Final answer
    x = 248,214.91

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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.