Home / 286,235.12-429,383.82-106,299.44

Finding the Fourth Proportional to 286,235.12, 429,383.82 and 106,299.44

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Solution

The fourth proportional to 286,235.12, 429,383.82 and 106,299.44 is: 159,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,235.12 : 429,383.82 = 106,299.44 : x
  2. Step 2: Convert to fraction form
    286,235.12/429,383.82 = 106,299.44/x
  3. Step 3: Cross multiply
    286,235.12x = 429,383.82 × 106,299.44
  4. Step 4: Simplify right side
    286,235.12x = 45,643,256,932.64
  5. Step 5: Solve for x
    x = 45,643,256,932.64/286,235.12
  6. Step 6: Final answer
    x = 159,460.72

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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.