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Finding the Fourth Proportional to 286,383.24, 429,410.25 and 118,019.79

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Solution

The fourth proportional to 286,383.24, 429,410.25 and 118,019.79 is: 176,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,383.24 : 429,410.25 = 118,019.79 : x
  2. Step 2: Convert to fraction form
    286,383.24/429,410.25 = 118,019.79/x
  3. Step 3: Cross multiply
    286,383.24x = 429,410.25 × 118,019.79
  4. Step 4: Simplify right side
    286,383.24x = 50,678,907,528.85
  5. Step 5: Solve for x
    x = 50,678,907,528.85/286,383.24
  6. Step 6: Final answer
    x = 176,961.85

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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.