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Finding the Fourth Proportional to 200,675.61, 301,042.62 and 107,130.33

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Solution

The fourth proportional to 200,675.61, 301,042.62 and 107,130.33 is: 160,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,675.61 : 301,042.62 = 107,130.33 : x
  2. Step 2: Convert to fraction form
    200,675.61/301,042.62 = 107,130.33/x
  3. Step 3: Cross multiply
    200,675.61x = 301,042.62 × 107,130.33
  4. Step 4: Simplify right side
    200,675.61x = 32,250,795,224.66
  5. Step 5: Solve for x
    x = 32,250,795,224.66/200,675.61
  6. Step 6: Final answer
    x = 160,711.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.