Finding the Fourth Proportional to 199,433.74, 299,062.98 and 74,687.26
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Solution
The fourth proportional to 199,433.74, 299,062.98 and 74,687.26 is: 111,998.07
Step by Step Solution
- Step 1: Write the proportion equation
199,433.74 : 299,062.98 = 74,687.26 : x - Step 2: Convert to fraction form
199,433.74/299,062.98 = 74,687.26/x - Step 3: Cross multiply
199,433.74x = 299,062.98 × 74,687.26 - Step 4: Simplify right side
199,433.74x = 22,336,194,543.63 - Step 5: Solve for x
x = 22,336,194,543.63/199,433.74 - Step 6: Final answer
x = 111,998.07
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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.