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Finding the Fourth Proportional to 200,254.58, 276,485.12 and 118,609.08

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Solution

The fourth proportional to 200,254.58, 276,485.12 and 118,609.08 is: 163,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,254.58 : 276,485.12 = 118,609.08 : x
  2. Step 2: Convert to fraction form
    200,254.58/276,485.12 = 118,609.08/x
  3. Step 3: Cross multiply
    200,254.58x = 276,485.12 × 118,609.08
  4. Step 4: Simplify right side
    200,254.58x = 32,793,645,716.89
  5. Step 5: Solve for x
    x = 32,793,645,716.89/200,254.58
  6. Step 6: Final answer
    x = 163,759.78

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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.