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Finding the Fourth Proportional to 344,518.38, 475,426.50 and 191,548.65

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Solution

The fourth proportional to 344,518.38, 475,426.50 and 191,548.65 is: 264,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,518.38 : 475,426.50 = 191,548.65 : x
  2. Step 2: Convert to fraction form
    344,518.38/475,426.50 = 191,548.65/x
  3. Step 3: Cross multiply
    344,518.38x = 475,426.50 × 191,548.65
  4. Step 4: Simplify right side
    344,518.38x = 91,067,304,249.23
  5. Step 5: Solve for x
    x = 91,067,304,249.23/344,518.38
  6. Step 6: Final answer
    x = 264,332.21

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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.