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Finding the Fourth Proportional to 196,702.20, 295,053.30 and 194,952.60

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Solution

The fourth proportional to 196,702.20, 295,053.30 and 194,952.60 is: 292,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,702.20 : 295,053.30 = 194,952.60 : x
  2. Step 2: Convert to fraction form
    196,702.20/295,053.30 = 194,952.60/x
  3. Step 3: Cross multiply
    196,702.20x = 295,053.30 × 194,952.60
  4. Step 4: Simplify right side
    196,702.20x = 57,521,407,973.58
  5. Step 5: Solve for x
    x = 57,521,407,973.58/196,702.20
  6. Step 6: Final answer
    x = 292,428.90

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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.