Finding the Fourth Proportional to 178,458.18, 246,143.25 and 151,558.08
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Solution
The fourth proportional to 178,458.18, 246,143.25 and 151,558.08 is: 209,040.56
Step by Step Solution
- Step 1: Write the proportion equation
178,458.18 : 246,143.25 = 151,558.08 : x - Step 2: Convert to fraction form
178,458.18/246,143.25 = 151,558.08/x - Step 3: Cross multiply
178,458.18x = 246,143.25 × 151,558.08 - Step 4: Simplify right side
178,458.18x = 37,304,998,374.96 - Step 5: Solve for x
x = 37,304,998,374.96/178,458.18 - Step 6: Final answer
x = 209,040.56
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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.