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Finding the Fourth Proportional to 362,385.58, 543,609.21 and 109,668.22

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Solution

The fourth proportional to 362,385.58, 543,609.21 and 109,668.22 is: 164,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,385.58 : 543,609.21 = 109,668.22 : x
  2. Step 2: Convert to fraction form
    362,385.58/543,609.21 = 109,668.22/x
  3. Step 3: Cross multiply
    362,385.58x = 543,609.21 × 109,668.22
  4. Step 4: Simplify right side
    362,385.58x = 59,616,654,436.31
  5. Step 5: Solve for x
    x = 59,616,654,436.31/362,385.58
  6. Step 6: Final answer
    x = 164,511.66

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1.5x scale

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.