Finding the Fourth Proportional to 212,659.29, 293,469.66 and 117,165.99
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Solution
The fourth proportional to 212,659.29, 293,469.66 and 117,165.99 is: 161,688.98
Step by Step Solution
- Step 1: Write the proportion equation
212,659.29 : 293,469.66 = 117,165.99 : x - Step 2: Convert to fraction form
212,659.29/293,469.66 = 117,165.99/x - Step 3: Cross multiply
212,659.29x = 293,469.66 × 117,165.99 - Step 4: Simplify right side
212,659.29x = 34,384,663,248.86 - Step 5: Solve for x
x = 34,384,663,248.86/212,659.29 - Step 6: Final answer
x = 161,688.98
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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.