Home / 307,722.11-424,677.91-171,782.60

Finding the Fourth Proportional to 307,722.11, 424,677.91 and 171,782.60

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Solution

The fourth proportional to 307,722.11, 424,677.91 and 171,782.60 is: 237,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,722.11 : 424,677.91 = 171,782.60 : x
  2. Step 2: Convert to fraction form
    307,722.11/424,677.91 = 171,782.60/x
  3. Step 3: Cross multiply
    307,722.11x = 424,677.91 × 171,782.60
  4. Step 4: Simplify right side
    307,722.11x = 72,952,275,542.37
  5. Step 5: Solve for x
    x = 72,952,275,542.37/307,722.11
  6. Step 6: Final answer
    x = 237,071.93

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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.