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Finding the Fourth Proportional to 344,680.78, 475,652.64 and 191,715.68

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Solution

The fourth proportional to 344,680.78, 475,652.64 and 191,715.68 is: 264,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,680.78 : 475,652.64 = 191,715.68 : x
  2. Step 2: Convert to fraction form
    344,680.78/475,652.64 = 191,715.68/x
  3. Step 3: Cross multiply
    344,680.78x = 475,652.64 × 191,715.68
  4. Step 4: Simplify right side
    344,680.78x = 91,190,067,475.51
  5. Step 5: Solve for x
    x = 91,190,067,475.51/344,680.78
  6. Step 6: Final answer
    x = 264,563.83

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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.