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Finding the Fourth Proportional to 286,444.44, 429,666.84 and 108,910.44

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Solution

The fourth proportional to 286,444.44, 429,666.84 and 108,910.44 is: 163,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,444.44 : 429,666.84 = 108,910.44 : x
  2. Step 2: Convert to fraction form
    286,444.44/429,666.84 = 108,910.44/x
  3. Step 3: Cross multiply
    286,444.44x = 429,666.84 × 108,910.44
  4. Step 4: Simplify right side
    286,444.44x = 46,795,204,597.81
  5. Step 5: Solve for x
    x = 46,795,204,597.81/286,444.44
  6. Step 6: Final answer
    x = 163,365.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.