Finding the Fourth Proportional to 177,895.80, 266,195.70 and 131,239.80
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Solution
The fourth proportional to 177,895.80, 266,195.70 and 131,239.80 is: 196,381.65
Step by Step Solution
- Step 1: Write the proportion equation
177,895.80 : 266,195.70 = 131,239.80 : x - Step 2: Convert to fraction form
177,895.80/266,195.70 = 131,239.80/x - Step 3: Cross multiply
177,895.80x = 266,195.70 × 131,239.80 - Step 4: Simplify right side
177,895.80x = 34,935,470,428.86 - Step 5: Solve for x
x = 34,935,470,428.86/177,895.80 - Step 6: Final answer
x = 196,381.65
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1.5x scale
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.