Finding the Fourth Proportional to 218,877.22, 302,299.68 and 147,132.82
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Solution
The fourth proportional to 218,877.22, 302,299.68 and 147,132.82 is: 203,210.75
Step by Step Solution
- Step 1: Write the proportion equation
218,877.22 : 302,299.68 = 147,132.82 : x - Step 2: Convert to fraction form
218,877.22/302,299.68 = 147,132.82/x - Step 3: Cross multiply
218,877.22x = 302,299.68 × 147,132.82 - Step 4: Simplify right side
218,877.22x = 44,478,204,403.50 - Step 5: Solve for x
x = 44,478,204,403.50/218,877.22 - Step 6: Final answer
x = 203,210.75
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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.