Finding the Fourth Proportional to 177,641.88, 266,647.38 and 118,888.12
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Solution
The fourth proportional to 177,641.88, 266,647.38 and 118,888.12 is: 178,455.70
Step by Step Solution
- Step 1: Write the proportion equation
177,641.88 : 266,647.38 = 118,888.12 : x - Step 2: Convert to fraction form
177,641.88/266,647.38 = 118,888.12/x - Step 3: Cross multiply
177,641.88x = 266,647.38 × 118,888.12 - Step 4: Simplify right side
177,641.88x = 31,701,205,711.13 - Step 5: Solve for x
x = 31,701,205,711.13/177,641.88 - Step 6: Final answer
x = 178,455.70
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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.