Finding the Fourth Proportional to 199,611.10, 299,416.66 and 159,442.01
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Solution
The fourth proportional to 199,611.10, 299,416.66 and 159,442.01 is: 239,163.02
Step by Step Solution
- Step 1: Write the proportion equation
199,611.10 : 299,416.66 = 159,442.01 : x - Step 2: Convert to fraction form
199,611.10/299,416.66 = 159,442.01/x - Step 3: Cross multiply
199,611.10x = 299,416.66 × 159,442.01 - Step 4: Simplify right side
199,611.10x = 47,739,594,097.89 - Step 5: Solve for x
x = 47,739,594,097.89/199,611.10 - Step 6: Final answer
x = 239,163.02
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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.