Finding the Fourth Proportional to 646,125.93, 969,188.67 and 172,798.99
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Solution
The fourth proportional to 646,125.93, 969,188.67 and 172,798.99 is: 259,198.42
Step by Step Solution
- Step 1: Write the proportion equation
646,125.93 : 969,188.67 = 172,798.99 : x - Step 2: Convert to fraction form
646,125.93/969,188.67 = 172,798.99/x - Step 3: Cross multiply
646,125.93x = 969,188.67 × 172,798.99 - Step 4: Simplify right side
646,125.93x = 167,474,820,872.47 - Step 5: Solve for x
x = 167,474,820,872.47/646,125.93 - Step 6: Final answer
x = 259,198.42
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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.