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Finding the Fourth Proportional to 325,352.88, 448,962.46 and 198,014.40

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Solution

The fourth proportional to 325,352.88, 448,962.46 and 198,014.40 is: 273,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,352.88 : 448,962.46 = 198,014.40 : x
  2. Step 2: Convert to fraction form
    325,352.88/448,962.46 = 198,014.40/x
  3. Step 3: Cross multiply
    325,352.88x = 448,962.46 × 198,014.40
  4. Step 4: Simplify right side
    325,352.88x = 88,901,032,139.42
  5. Step 5: Solve for x
    x = 88,901,032,139.42/325,352.88
  6. Step 6: Final answer
    x = 273,244.95

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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.