Finding the Fourth Proportional to 212,747.18, 293,582.46 and 115,948.98
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Solution
The fourth proportional to 212,747.18, 293,582.46 and 115,948.98 is: 160,004.88
Step by Step Solution
- Step 1: Write the proportion equation
212,747.18 : 293,582.46 = 115,948.98 : x - Step 2: Convert to fraction form
212,747.18/293,582.46 = 115,948.98/x - Step 3: Cross multiply
212,747.18x = 293,582.46 × 115,948.98 - Step 4: Simplify right side
212,747.18x = 34,040,586,782.89 - Step 5: Solve for x
x = 34,040,586,782.89/212,747.18 - Step 6: Final answer
x = 160,004.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.