Finding the Fourth Proportional to 646,126.93, 969,190.17 and 172,799.99
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Solution
The fourth proportional to 646,126.93, 969,190.17 and 172,799.99 is: 259,199.92
Step by Step Solution
- Step 1: Write the proportion equation
646,126.93 : 969,190.17 = 172,799.99 : x - Step 2: Convert to fraction form
646,126.93/969,190.17 = 172,799.99/x - Step 3: Cross multiply
646,126.93x = 969,190.17 × 172,799.99 - Step 4: Simplify right side
646,126.93x = 167,476,051,684.10 - Step 5: Solve for x
x = 167,476,051,684.10/646,126.93 - Step 6: Final answer
x = 259,199.92
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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.