Home / 389,384.92-537,249.62-228,153.36

Finding the Fourth Proportional to 389,384.92, 537,249.62 and 228,153.36

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Solution

The fourth proportional to 389,384.92, 537,249.62 and 228,153.36 is: 314,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,384.92 : 537,249.62 = 228,153.36 : x
  2. Step 2: Convert to fraction form
    389,384.92/537,249.62 = 228,153.36/x
  3. Step 3: Cross multiply
    389,384.92x = 537,249.62 × 228,153.36
  4. Step 4: Simplify right side
    389,384.92x = 122,575,305,961.72
  5. Step 5: Solve for x
    x = 122,575,305,961.72/389,384.92
  6. Step 6: Final answer
    x = 314,792.12

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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.