Finding the Fourth Proportional to 311,730.17, 466,750.62 and 161,655.75
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Solution
The fourth proportional to 311,730.17, 466,750.62 and 161,655.75 is: 242,045.62
Step by Step Solution
- Step 1: Write the proportion equation
311,730.17 : 466,750.62 = 161,655.75 : x - Step 2: Convert to fraction form
311,730.17/466,750.62 = 161,655.75/x - Step 3: Cross multiply
311,730.17x = 466,750.62 × 161,655.75 - Step 4: Simplify right side
311,730.17x = 75,452,921,539.07 - Step 5: Solve for x
x = 75,452,921,539.07/311,730.17 - Step 6: Final answer
x = 242,045.62
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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.