Finding the Fourth Proportional to 250,294.44, 345,415.12 and 137,117.18
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Solution
The fourth proportional to 250,294.44, 345,415.12 and 137,117.18 is: 189,226.53
Step by Step Solution
- Step 1: Write the proportion equation
250,294.44 : 345,415.12 = 137,117.18 : x - Step 2: Convert to fraction form
250,294.44/345,415.12 = 137,117.18/x - Step 3: Cross multiply
250,294.44x = 345,415.12 × 137,117.18 - Step 4: Simplify right side
250,294.44x = 47,362,347,183.76 - Step 5: Solve for x
x = 47,362,347,183.76/250,294.44 - Step 6: Final answer
x = 189,226.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.