Finding the Fourth Proportional to 212,650.48, 293,458.38 and 117,156.95
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Solution
The fourth proportional to 212,650.48, 293,458.38 and 117,156.95 is: 161,676.99
Step by Step Solution
- Step 1: Write the proportion equation
212,650.48 : 293,458.38 = 117,156.95 : x - Step 2: Convert to fraction form
212,650.48/293,458.38 = 117,156.95/x - Step 3: Cross multiply
212,650.48x = 293,458.38 × 117,156.95 - Step 4: Simplify right side
212,650.48x = 34,380,688,752.74 - Step 5: Solve for x
x = 34,380,688,752.74/212,650.48 - Step 6: Final answer
x = 161,676.99
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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.