Home / 213,824.80-320,737.20-164,058.40

Finding the Fourth Proportional to 213,824.80, 320,737.20 and 164,058.40

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Solution

The fourth proportional to 213,824.80, 320,737.20 and 164,058.40 is: 246,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,824.80 : 320,737.20 = 164,058.40 : x
  2. Step 2: Convert to fraction form
    213,824.80/320,737.20 = 164,058.40/x
  3. Step 3: Cross multiply
    213,824.80x = 320,737.20 × 164,058.40
  4. Step 4: Simplify right side
    213,824.80x = 52,619,631,852.48
  5. Step 5: Solve for x
    x = 52,619,631,852.48/213,824.80
  6. Step 6: Final answer
    x = 246,087.60

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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.