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Finding the Fourth Proportional to 360,014.40, 496,810.80 and 198,856.80

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Solution

The fourth proportional to 360,014.40, 496,810.80 and 198,856.80 is: 274,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,014.40 : 496,810.80 = 198,856.80 : x
  2. Step 2: Convert to fraction form
    360,014.40/496,810.80 = 198,856.80/x
  3. Step 3: Cross multiply
    360,014.40x = 496,810.80 × 198,856.80
  4. Step 4: Simplify right side
    360,014.40x = 98,794,205,893.44
  5. Step 5: Solve for x
    x = 98,794,205,893.44/360,014.40
  6. Step 6: Final answer
    x = 274,417.37

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1.5x scale

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.