Finding the Fourth Proportional to 252,486.64, 348,557.84 and 157,024.10
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Solution
The fourth proportional to 252,486.64, 348,557.84 and 157,024.10 is: 216,771.79
Step by Step Solution
- Step 1: Write the proportion equation
252,486.64 : 348,557.84 = 157,024.10 : x - Step 2: Convert to fraction form
252,486.64/348,557.84 = 157,024.10/x - Step 3: Cross multiply
252,486.64x = 348,557.84 × 157,024.10 - Step 4: Simplify right side
252,486.64x = 54,731,981,123.94 - Step 5: Solve for x
x = 54,731,981,123.94/252,486.64 - Step 6: Final answer
x = 216,771.79
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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.