Finding the Fourth Proportional to 177,867.80, 266,153.70 and 131,211.80
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Solution
The fourth proportional to 177,867.80, 266,153.70 and 131,211.80 is: 196,339.68
Step by Step Solution
- Step 1: Write the proportion equation
177,867.80 : 266,153.70 = 131,211.80 : x - Step 2: Convert to fraction form
177,867.80/266,153.70 = 131,211.80/x - Step 3: Cross multiply
177,867.80x = 266,153.70 × 131,211.80 - Step 4: Simplify right side
177,867.80x = 34,922,506,053.66 - Step 5: Solve for x
x = 34,922,506,053.66/177,867.80 - Step 6: Final answer
x = 196,339.68
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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.