Finding the Fourth Proportional to 764,282.96, 1,146,423.08 and 203,317.48
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Solution
The fourth proportional to 764,282.96, 1,146,423.08 and 203,317.48 is: 304,975.86
Step by Step Solution
- Step 1: Write the proportion equation
764,282.96 : 1,146,423.08 = 203,317.48 : x - Step 2: Convert to fraction form
764,282.96/1,146,423.08 = 203,317.48/x - Step 3: Cross multiply
764,282.96x = 1,146,423.08 × 203,317.48 - Step 4: Simplify right side
764,282.96x = 233,087,851,639.44 - Step 5: Solve for x
x = 233,087,851,639.44/764,282.96 - Step 6: Final answer
x = 304,975.86
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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.