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Finding the Fourth Proportional to 264,366.44, 364,825.80 and 143,507.60

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Solution

The fourth proportional to 264,366.44, 364,825.80 and 143,507.60 is: 198,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,366.44 : 364,825.80 = 143,507.60 : x
  2. Step 2: Convert to fraction form
    264,366.44/364,825.80 = 143,507.60/x
  3. Step 3: Cross multiply
    264,366.44x = 364,825.80 × 143,507.60
  4. Step 4: Simplify right side
    264,366.44x = 52,355,274,976.08
  5. Step 5: Solve for x
    x = 52,355,274,976.08/264,366.44
  6. Step 6: Final answer
    x = 198,040.55

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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.