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Finding the Fourth Proportional to 620,179.95, 930,103.87 and 170,794.02

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Solution

The fourth proportional to 620,179.95, 930,103.87 and 170,794.02 is: 256,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,179.95 : 930,103.87 = 170,794.02 : x
  2. Step 2: Convert to fraction form
    620,179.95/930,103.87 = 170,794.02/x
  3. Step 3: Cross multiply
    620,179.95x = 930,103.87 × 170,794.02
  4. Step 4: Simplify right side
    620,179.95x = 158,856,173,897.35
  5. Step 5: Solve for x
    x = 158,856,173,897.35/620,179.95
  6. Step 6: Final answer
    x = 256,145.29

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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.