Finding the Fourth Proportional to 214,959.30, 296,642.70 and 119,474.88
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Solution
The fourth proportional to 214,959.30, 296,642.70 and 119,474.88 is: 164,874.70
Step by Step Solution
- Step 1: Write the proportion equation
214,959.30 : 296,642.70 = 119,474.88 : x - Step 2: Convert to fraction form
214,959.30/296,642.70 = 119,474.88/x - Step 3: Cross multiply
214,959.30x = 296,642.70 × 119,474.88 - Step 4: Simplify right side
214,959.30x = 35,441,350,985.38 - Step 5: Solve for x
x = 35,441,350,985.38/214,959.30 - Step 6: Final answer
x = 164,874.70
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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.