Finding the Fourth Proportional to 199,573.60, 299,184.32 and 81,343.84
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Solution
The fourth proportional to 199,573.60, 299,184.32 and 81,343.84 is: 121,943.99
Step by Step Solution
- Step 1: Write the proportion equation
199,573.60 : 299,184.32 = 81,343.84 : x - Step 2: Convert to fraction form
199,573.60/299,184.32 = 81,343.84/x - Step 3: Cross multiply
199,573.60x = 299,184.32 × 81,343.84 - Step 4: Simplify right side
199,573.60x = 24,336,801,456.59 - Step 5: Solve for x
x = 24,336,801,456.59/199,573.60 - Step 6: Final answer
x = 121,943.99
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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.