Finding the Fourth Proportional to 227,181.78, 340,396.02 and 138,166.02
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Solution
The fourth proportional to 227,181.78, 340,396.02 and 138,166.02 is: 207,019.96
Step by Step Solution
- Step 1: Write the proportion equation
227,181.78 : 340,396.02 = 138,166.02 : x - Step 2: Convert to fraction form
227,181.78/340,396.02 = 138,166.02/x - Step 3: Cross multiply
227,181.78x = 340,396.02 × 138,166.02 - Step 4: Simplify right side
227,181.78x = 47,031,163,307.24 - Step 5: Solve for x
x = 47,031,163,307.24/227,181.78 - Step 6: Final answer
x = 207,019.96
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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.