Finding the Fourth Proportional to 306,559.68, 459,705.44 and 154,663.28
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Solution
The fourth proportional to 306,559.68, 459,705.44 and 154,663.28 is: 231,927.27
Step by Step Solution
- Step 1: Write the proportion equation
306,559.68 : 459,705.44 = 154,663.28 : x - Step 2: Convert to fraction form
306,559.68/459,705.44 = 154,663.28/x - Step 3: Cross multiply
306,559.68x = 459,705.44 × 154,663.28 - Step 4: Simplify right side
306,559.68x = 71,099,551,184.24 - Step 5: Solve for x
x = 71,099,551,184.24/306,559.68 - Step 6: Final answer
x = 231,927.27
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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.