Home / 284,947.90-393,193.85-164,128.48

Finding the Fourth Proportional to 284,947.90, 393,193.85 and 164,128.48

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Solution

The fourth proportional to 284,947.90, 393,193.85 and 164,128.48 is: 226,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,947.90 : 393,193.85 = 164,128.48 : x
  2. Step 2: Convert to fraction form
    284,947.90/393,193.85 = 164,128.48/x
  3. Step 3: Cross multiply
    284,947.90x = 393,193.85 × 164,128.48
  4. Step 4: Simplify right side
    284,947.90x = 64,534,308,945.85
  5. Step 5: Solve for x
    x = 64,534,308,945.85/284,947.90
  6. Step 6: Final answer
    x = 226,477.57

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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.