Home / 307,336.82-423,942.03-239,246.01

Finding the Fourth Proportional to 307,336.82, 423,942.03 and 239,246.01

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Solution

The fourth proportional to 307,336.82, 423,942.03 and 239,246.01 is: 330,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,336.82 : 423,942.03 = 239,246.01 : x
  2. Step 2: Convert to fraction form
    307,336.82/423,942.03 = 239,246.01/x
  3. Step 3: Cross multiply
    307,336.82x = 423,942.03 × 239,246.01
  4. Step 4: Simplify right side
    307,336.82x = 101,426,439,148.80
  5. Step 5: Solve for x
    x = 101,426,439,148.80/307,336.82
  6. Step 6: Final answer
    x = 330,017.21

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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.