Finding the Fourth Proportional to 217,204.97, 299,750.96 and 121,708.13
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Solution
The fourth proportional to 217,204.97, 299,750.96 and 121,708.13 is: 167,961.76
Step by Step Solution
- Step 1: Write the proportion equation
217,204.97 : 299,750.96 = 121,708.13 : x - Step 2: Convert to fraction form
217,204.97/299,750.96 = 121,708.13/x - Step 3: Cross multiply
217,204.97x = 299,750.96 × 121,708.13 - Step 4: Simplify right side
217,204.97x = 36,482,127,612.82 - Step 5: Solve for x
x = 36,482,127,612.82/217,204.97 - Step 6: Final answer
x = 167,961.76
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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.