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Finding the Fourth Proportional to 344,272.50, 475,140.60 and 193,369.50

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Solution

The fourth proportional to 344,272.50, 475,140.60 and 193,369.50 is: 266,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,272.50 : 475,140.60 = 193,369.50 : x
  2. Step 2: Convert to fraction form
    344,272.50/475,140.60 = 193,369.50/x
  3. Step 3: Cross multiply
    344,272.50x = 475,140.60 × 193,369.50
  4. Step 4: Simplify right side
    344,272.50x = 91,877,700,251.70
  5. Step 5: Solve for x
    x = 91,877,700,251.70/344,272.50
  6. Step 6: Final answer
    x = 266,874.93

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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.