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Finding the Fourth Proportional to 324,692.76, 448,077.67 and 181,455.20

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Solution

The fourth proportional to 324,692.76, 448,077.67 and 181,455.20 is: 250,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,692.76 : 448,077.67 = 181,455.20 : x
  2. Step 2: Convert to fraction form
    324,692.76/448,077.67 = 181,455.20/x
  3. Step 3: Cross multiply
    324,692.76x = 448,077.67 × 181,455.20
  4. Step 4: Simplify right side
    324,692.76x = 81,306,020,531.36
  5. Step 5: Solve for x
    x = 81,306,020,531.36/324,692.76
  6. Step 6: Final answer
    x = 250,409.10

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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.