Finding the Fourth Proportional to 252,813.02, 379,248.68 and 84,355.70
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Solution
The fourth proportional to 252,813.02, 379,248.68 and 84,355.70 is: 126,543.27
Step by Step Solution
- Step 1: Write the proportion equation
252,813.02 : 379,248.68 = 84,355.70 : x - Step 2: Convert to fraction form
252,813.02/379,248.68 = 84,355.70/x - Step 3: Cross multiply
252,813.02x = 379,248.68 × 84,355.70 - Step 4: Simplify right side
252,813.02x = 31,991,786,190.12 - Step 5: Solve for x
x = 31,991,786,190.12/252,813.02 - Step 6: Final answer
x = 126,543.27
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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.