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Finding the Fourth Proportional to 264,713.94, 365,308.05 and 143,856.90

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Solution

The fourth proportional to 264,713.94, 365,308.05 and 143,856.90 is: 198,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,713.94 : 365,308.05 = 143,856.90 : x
  2. Step 2: Convert to fraction form
    264,713.94/365,308.05 = 143,856.90/x
  3. Step 3: Cross multiply
    264,713.94x = 365,308.05 × 143,856.90
  4. Step 4: Simplify right side
    264,713.94x = 52,552,083,618.05
  5. Step 5: Solve for x
    x = 52,552,083,618.05/264,713.94
  6. Step 6: Final answer
    x = 198,524.05

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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.