Finding the Fourth Proportional to 214,512.17, 296,034.75 and 129,612.81
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Solution
The fourth proportional to 214,512.17, 296,034.75 and 129,612.81 is: 178,870.48
Step by Step Solution
- Step 1: Write the proportion equation
214,512.17 : 296,034.75 = 129,612.81 : x - Step 2: Convert to fraction form
214,512.17/296,034.75 = 129,612.81/x - Step 3: Cross multiply
214,512.17x = 296,034.75 × 129,612.81 - Step 4: Simplify right side
214,512.17x = 38,369,895,157.08 - Step 5: Solve for x
x = 38,369,895,157.08/214,512.17 - Step 6: Final answer
x = 178,870.48
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1.5x scale
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.