Home / 228,384.31-342,076.29-115,871.26

Finding the Fourth Proportional to 228,384.31, 342,076.29 and 115,871.26

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Solution

The fourth proportional to 228,384.31, 342,076.29 and 115,871.26 is: 173,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,384.31 : 342,076.29 = 115,871.26 : x
  2. Step 2: Convert to fraction form
    228,384.31/342,076.29 = 115,871.26/x
  3. Step 3: Cross multiply
    228,384.31x = 342,076.29 × 115,871.26
  4. Step 4: Simplify right side
    228,384.31x = 39,636,810,738.43
  5. Step 5: Solve for x
    x = 39,636,810,738.43/228,384.31
  6. Step 6: Final answer
    x = 173,553.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.