Home / 307,174.23-423,902.52-171,216.95

Finding the Fourth Proportional to 307,174.23, 423,902.52 and 171,216.95

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Solution

The fourth proportional to 307,174.23, 423,902.52 and 171,216.95 is: 236,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,174.23 : 423,902.52 = 171,216.95 : x
  2. Step 2: Convert to fraction form
    307,174.23/423,902.52 = 171,216.95/x
  3. Step 3: Cross multiply
    307,174.23x = 423,902.52 × 171,216.95
  4. Step 4: Simplify right side
    307,174.23x = 72,579,294,452.20
  5. Step 5: Solve for x
    x = 72,579,294,452.20/307,174.23
  6. Step 6: Final answer
    x = 236,280.54

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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.