Finding the Fourth Proportional to 177,858.26, 266,787.84 and 72,677.21
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Solution
The fourth proportional to 177,858.26, 266,787.84 and 72,677.21 is: 109,016.00
Step by Step Solution
- Step 1: Write the proportion equation
177,858.26 : 266,787.84 = 72,677.21 : x - Step 2: Convert to fraction form
177,858.26/266,787.84 = 72,677.21/x - Step 3: Cross multiply
177,858.26x = 266,787.84 × 72,677.21 - Step 4: Simplify right side
177,858.26x = 19,389,395,873.13 - Step 5: Solve for x
x = 19,389,395,873.13/177,858.26 - Step 6: Final answer
x = 109,016.00
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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.