Home / 342,130.08-472,035.82-238,761.54

Finding the Fourth Proportional to 342,130.08, 472,035.82 and 238,761.54

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Solution

The fourth proportional to 342,130.08, 472,035.82 and 238,761.54 is: 329,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,130.08 : 472,035.82 = 238,761.54 : x
  2. Step 2: Convert to fraction form
    342,130.08/472,035.82 = 238,761.54/x
  3. Step 3: Cross multiply
    342,130.08x = 472,035.82 × 238,761.54
  4. Step 4: Simplify right side
    342,130.08x = 112,703,999,318.36
  5. Step 5: Solve for x
    x = 112,703,999,318.36/342,130.08
  6. Step 6: Final answer
    x = 329,418.56

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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.