Finding the Fourth Proportional to 212,586.30, 293,369.06 and 117,092.99
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Solution
The fourth proportional to 212,586.30, 293,369.06 and 117,092.99 is: 161,588.32
Step by Step Solution
- Step 1: Write the proportion equation
212,586.30 : 293,369.06 = 117,092.99 : x - Step 2: Convert to fraction form
212,586.30/293,369.06 = 117,092.99/x - Step 3: Cross multiply
212,586.30x = 293,369.06 × 117,092.99 - Step 4: Simplify right side
212,586.30x = 34,351,461,435.04 - Step 5: Solve for x
x = 34,351,461,435.04/212,586.30 - Step 6: Final answer
x = 161,588.32
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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.