Finding the Fourth Proportional to 177,387.80, 266,081.70 and 156,651.80
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Solution
The fourth proportional to 177,387.80, 266,081.70 and 156,651.80 is: 234,977.70
Step by Step Solution
- Step 1: Write the proportion equation
177,387.80 : 266,081.70 = 156,651.80 : x - Step 2: Convert to fraction form
177,387.80/266,081.70 = 156,651.80/x - Step 3: Cross multiply
177,387.80x = 266,081.70 × 156,651.80 - Step 4: Simplify right side
177,387.80x = 41,682,177,252.06 - Step 5: Solve for x
x = 41,682,177,252.06/177,387.80 - Step 6: Final answer
x = 234,977.70
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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.