Finding the Fourth Proportional to 72,193.08, 108,282.48 and 22,259.70
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Solution
The fourth proportional to 72,193.08, 108,282.48 and 22,259.70 is: 33,387.35
Step by Step Solution
- Step 1: Write the proportion equation
72,193.08 : 108,282.48 = 22,259.70 : x - Step 2: Convert to fraction form
72,193.08/108,282.48 = 22,259.70/x - Step 3: Cross multiply
72,193.08x = 108,282.48 × 22,259.70 - Step 4: Simplify right side
72,193.08x = 2,410,335,520.06 - Step 5: Solve for x
x = 2,410,335,520.06/72,193.08 - Step 6: Final answer
x = 33,387.35
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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.