Finding the Fourth Proportional to 212,405.27, 293,127.06 and 116,915.99
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Solution
The fourth proportional to 212,405.27, 293,127.06 and 116,915.99 is: 161,348.35
Step by Step Solution
- Step 1: Write the proportion equation
212,405.27 : 293,127.06 = 116,915.99 : x - Step 2: Convert to fraction form
212,405.27/293,127.06 = 116,915.99/x - Step 3: Cross multiply
212,405.27x = 293,127.06 × 116,915.99 - Step 4: Simplify right side
212,405.27x = 34,271,238,950.05 - Step 5: Solve for x
x = 34,271,238,950.05/212,405.27 - Step 6: Final answer
x = 161,348.35
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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.