Finding the Fourth Proportional to 177,802.93, 266,704.62 and 72,621.91
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Solution
The fourth proportional to 177,802.93, 266,704.62 and 72,621.91 is: 108,932.96
Step by Step Solution
- Step 1: Write the proportion equation
177,802.93 : 266,704.62 = 72,621.91 : x - Step 2: Convert to fraction form
177,802.93/266,704.62 = 72,621.91/x - Step 3: Cross multiply
177,802.93x = 266,704.62 × 72,621.91 - Step 4: Simplify right side
177,802.93x = 19,368,598,910.22 - Step 5: Solve for x
x = 19,368,598,910.22/177,802.93 - Step 6: Final answer
x = 108,932.96
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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.