Finding the Fourth Proportional to 663,177.80, 994,766.70 and 242,617.70
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Solution
The fourth proportional to 663,177.80, 994,766.70 and 242,617.70 is: 363,926.55
Step by Step Solution
- Step 1: Write the proportion equation
663,177.80 : 994,766.70 = 242,617.70 : x - Step 2: Convert to fraction form
663,177.80/994,766.70 = 242,617.70/x - Step 3: Cross multiply
663,177.80x = 994,766.70 × 242,617.70 - Step 4: Simplify right side
663,177.80x = 241,348,008,790.59 - Step 5: Solve for x
x = 241,348,008,790.59/663,177.80 - Step 6: Final answer
x = 363,926.55
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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.