Home / 248,948.52-343,545.21-135,771.27

Finding the Fourth Proportional to 248,948.52, 343,545.21 and 135,771.27

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Solution

The fourth proportional to 248,948.52, 343,545.21 and 135,771.27 is: 187,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,948.52 : 343,545.21 = 135,771.27 : x
  2. Step 2: Convert to fraction form
    248,948.52/343,545.21 = 135,771.27/x
  3. Step 3: Cross multiply
    248,948.52x = 343,545.21 × 135,771.27
  4. Step 4: Simplify right side
    248,948.52x = 46,643,569,464.12
  5. Step 5: Solve for x
    x = 46,643,569,464.12/248,948.52
  6. Step 6: Final answer
    x = 187,362.31

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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.