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Finding the Fourth Proportional to 219,592, 303,037.32 and 118,990

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Solution

The fourth proportional to 219,592, 303,037.32 and 118,990 is: 164,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,592 : 303,037.32 = 118,990 : x
  2. Step 2: Convert to fraction form
    219,592/303,037.32 = 118,990/x
  3. Step 3: Cross multiply
    219,592x = 303,037.32 × 118,990
  4. Step 4: Simplify right side
    219,592x = 36,058,410,706.80
  5. Step 5: Solve for x
    x = 36,058,410,706.80/219,592
  6. Step 6: Final answer
    x = 164,206.40

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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.