Finding the Fourth Proportional to 543,655.60, 815,372.53 and 206,577.95
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Solution
The fourth proportional to 543,655.60, 815,372.53 and 206,577.95 is: 309,824.79
Step by Step Solution
- Step 1: Write the proportion equation
543,655.60 : 815,372.53 = 206,577.95 : x - Step 2: Convert to fraction form
543,655.60/815,372.53 = 206,577.95/x - Step 3: Cross multiply
543,655.60x = 815,372.53 × 206,577.95 - Step 4: Simplify right side
543,655.60x = 168,437,981,140.41 - Step 5: Solve for x
x = 168,437,981,140.41/543,655.60 - Step 6: Final answer
x = 309,824.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.