Finding the Fourth Proportional to 177,773.40, 266,660.10 and 114,787.80
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Solution
The fourth proportional to 177,773.40, 266,660.10 and 114,787.80 is: 172,181.70
Step by Step Solution
- Step 1: Write the proportion equation
177,773.40 : 266,660.10 = 114,787.80 : x - Step 2: Convert to fraction form
177,773.40/266,660.10 = 114,787.80/x - Step 3: Cross multiply
177,773.40x = 266,660.10 × 114,787.80 - Step 4: Simplify right side
177,773.40x = 30,609,326,226.78 - Step 5: Solve for x
x = 30,609,326,226.78/177,773.40 - Step 6: Final answer
x = 172,181.70
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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.