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Finding the Fourth Proportional to 376,574.09, 519,675.93 and 206,808.21

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Solution

The fourth proportional to 376,574.09, 519,675.93 and 206,808.21 is: 285,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,574.09 : 519,675.93 = 206,808.21 : x
  2. Step 2: Convert to fraction form
    376,574.09/519,675.93 = 206,808.21/x
  3. Step 3: Cross multiply
    376,574.09x = 519,675.93 × 206,808.21
  4. Step 4: Simplify right side
    376,574.09x = 107,473,248,863.39
  5. Step 5: Solve for x
    x = 107,473,248,863.39/376,574.09
  6. Step 6: Final answer
    x = 285,397.36

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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.