Finding the Fourth Proportional to 306,181.05, 459,349.20 and 216,400.41
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Solution
The fourth proportional to 306,181.05, 459,349.20 and 216,400.41 is: 324,655.48
Step by Step Solution
- Step 1: Write the proportion equation
306,181.05 : 459,349.20 = 216,400.41 : x - Step 2: Convert to fraction form
306,181.05/459,349.20 = 216,400.41/x - Step 3: Cross multiply
306,181.05x = 459,349.20 × 216,400.41 - Step 4: Simplify right side
306,181.05x = 99,403,355,213.17 - Step 5: Solve for x
x = 99,403,355,213.17/306,181.05 - Step 6: Final answer
x = 324,655.48
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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.