Home / 345,856.70-477,284.94-192,904.61

Finding the Fourth Proportional to 345,856.70, 477,284.94 and 192,904.61

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Solution

The fourth proportional to 345,856.70, 477,284.94 and 192,904.61 is: 266,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,856.70 : 477,284.94 = 192,904.61 : x
  2. Step 2: Convert to fraction form
    345,856.70/477,284.94 = 192,904.61/x
  3. Step 3: Cross multiply
    345,856.70x = 477,284.94 × 192,904.61
  4. Step 4: Simplify right side
    345,856.70x = 92,070,462,823.15
  5. Step 5: Solve for x
    x = 92,070,462,823.15/345,856.70
  6. Step 6: Final answer
    x = 266,209.86

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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.