Finding the Fourth Proportional to 177,811.30, 266,716.95 and 149,817.70
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Solution
The fourth proportional to 177,811.30, 266,716.95 and 149,817.70 is: 224,726.55
Step by Step Solution
- Step 1: Write the proportion equation
177,811.30 : 266,716.95 = 149,817.70 : x - Step 2: Convert to fraction form
177,811.30/266,716.95 = 149,817.70/x - Step 3: Cross multiply
177,811.30x = 266,716.95 × 149,817.70 - Step 4: Simplify right side
177,811.30x = 39,958,920,000.02 - Step 5: Solve for x
x = 39,958,920,000.02/177,811.30 - Step 6: Final answer
x = 224,726.55
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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.