Finding the Fourth Proportional to 72,230.34, 108,348.35 and 22,305.99
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Solution
The fourth proportional to 72,230.34, 108,348.35 and 22,305.99 is: 33,459.86
Step by Step Solution
- Step 1: Write the proportion equation
72,230.34 : 108,348.35 = 22,305.99 : x - Step 2: Convert to fraction form
72,230.34/108,348.35 = 22,305.99/x - Step 3: Cross multiply
72,230.34x = 108,348.35 × 22,305.99 - Step 4: Simplify right side
72,230.34x = 2,416,817,100.09 - Step 5: Solve for x
x = 2,416,817,100.09/72,230.34 - Step 6: Final answer
x = 33,459.86
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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.