Finding the Fourth Proportional to 164,943.05, 246,986.28 and 141,401.21
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Solution
The fourth proportional to 164,943.05, 246,986.28 and 141,401.21 is: 211,734.65
Step by Step Solution
- Step 1: Write the proportion equation
164,943.05 : 246,986.28 = 141,401.21 : x - Step 2: Convert to fraction form
164,943.05/246,986.28 = 141,401.21/x - Step 3: Cross multiply
164,943.05x = 246,986.28 × 141,401.21 - Step 4: Simplify right side
164,943.05x = 34,924,157,610.47 - Step 5: Solve for x
x = 34,924,157,610.47/164,943.05 - Step 6: Final answer
x = 211,734.65
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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.