Finding the Fourth Proportional to 311,808.96, 467,730.12 and 98,560.68
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Solution
The fourth proportional to 311,808.96, 467,730.12 and 98,560.68 is: 147,846.29
Step by Step Solution
- Step 1: Write the proportion equation
311,808.96 : 467,730.12 = 98,560.68 : x - Step 2: Convert to fraction form
311,808.96/467,730.12 = 98,560.68/x - Step 3: Cross multiply
311,808.96x = 467,730.12 × 98,560.68 - Step 4: Simplify right side
311,808.96x = 46,099,798,683.68 - Step 5: Solve for x
x = 46,099,798,683.68/311,808.96 - Step 6: Final answer
x = 147,846.29
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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.