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Finding the Fourth Proportional to 324,692.52, 448,200.96 and 290,640.93

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Solution

The fourth proportional to 324,692.52, 448,200.96 and 290,640.93 is: 401,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,692.52 : 448,200.96 = 290,640.93 : x
  2. Step 2: Convert to fraction form
    324,692.52/448,200.96 = 290,640.93/x
  3. Step 3: Cross multiply
    324,692.52x = 448,200.96 × 290,640.93
  4. Step 4: Simplify right side
    324,692.52x = 130,265,543,841.29
  5. Step 5: Solve for x
    x = 130,265,543,841.29/324,692.52
  6. Step 6: Final answer
    x = 401,196.63

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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.