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Finding the Fourth Proportional to 344,486.61, 475,418.13 and 206,670.72

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Solution

The fourth proportional to 344,486.61, 475,418.13 and 206,670.72 is: 285,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,486.61 : 475,418.13 = 206,670.72 : x
  2. Step 2: Convert to fraction form
    344,486.61/475,418.13 = 206,670.72/x
  3. Step 3: Cross multiply
    344,486.61x = 475,418.13 × 206,670.72
  4. Step 4: Simplify right side
    344,486.61x = 98,255,007,228.15
  5. Step 5: Solve for x
    x = 98,255,007,228.15/344,486.61
  6. Step 6: Final answer
    x = 285,221.56

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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.