Home / 348,960.31-521,076.56-277,076.35

Finding the Fourth Proportional to 348,960.31, 521,076.56 and 277,076.35

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Solution

The fourth proportional to 348,960.31, 521,076.56 and 277,076.35 is: 413,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,960.31 : 521,076.56 = 277,076.35 : x
  2. Step 2: Convert to fraction form
    348,960.31/521,076.56 = 277,076.35/x
  3. Step 3: Cross multiply
    348,960.31x = 521,076.56 × 277,076.35
  4. Step 4: Simplify right side
    348,960.31x = 144,377,991,315.36
  5. Step 5: Solve for x
    x = 144,377,991,315.36/348,960.31
  6. Step 6: Final answer
    x = 413,737.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.