Home / 387,569.52-534,512.88-251,469.36

Finding the Fourth Proportional to 387,569.52, 534,512.88 and 251,469.36

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Solution

The fourth proportional to 387,569.52, 534,512.88 and 251,469.36 is: 346,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,569.52 : 534,512.88 = 251,469.36 : x
  2. Step 2: Convert to fraction form
    387,569.52/534,512.88 = 251,469.36/x
  3. Step 3: Cross multiply
    387,569.52x = 534,512.88 × 251,469.36
  4. Step 4: Simplify right side
    387,569.52x = 134,413,611,845.36
  5. Step 5: Solve for x
    x = 134,413,611,845.36/387,569.52
  6. Step 6: Final answer
    x = 346,811.62

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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.