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Finding the Fourth Proportional to 363,692.32, 501,855.60 and 210,733.54

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Solution

The fourth proportional to 363,692.32, 501,855.60 and 210,733.54 is: 290,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,692.32 : 501,855.60 = 210,733.54 : x
  2. Step 2: Convert to fraction form
    363,692.32/501,855.60 = 210,733.54/x
  3. Step 3: Cross multiply
    363,692.32x = 501,855.60 × 210,733.54
  4. Step 4: Simplify right side
    363,692.32x = 105,757,807,156.82
  5. Step 5: Solve for x
    x = 105,757,807,156.82/363,692.32
  6. Step 6: Final answer
    x = 290,789.22

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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.