Home / 422,983.95-634,328.35-170,198.95

Finding the Fourth Proportional to 422,983.95, 634,328.35 and 170,198.95

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Solution

The fourth proportional to 422,983.95, 634,328.35 and 170,198.95 is: 255,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,983.95 : 634,328.35 = 170,198.95 : x
  2. Step 2: Convert to fraction form
    422,983.95/634,328.35 = 170,198.95/x
  3. Step 3: Cross multiply
    422,983.95x = 634,328.35 × 170,198.95
  4. Step 4: Simplify right side
    422,983.95x = 107,962,017,113.91
  5. Step 5: Solve for x
    x = 107,962,017,113.91/422,983.95
  6. Step 6: Final answer
    x = 255,239.04

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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.