Finding the Fourth Proportional to 252,830.28, 348,972.84 and 157,282.68
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Solution
The fourth proportional to 252,830.28, 348,972.84 and 157,282.68 is: 217,091.81
Step by Step Solution
- Step 1: Write the proportion equation
252,830.28 : 348,972.84 = 157,282.68 : x - Step 2: Convert to fraction form
252,830.28/348,972.84 = 157,282.68/x - Step 3: Cross multiply
252,830.28x = 348,972.84 × 157,282.68 - Step 4: Simplify right side
252,830.28x = 54,887,383,522.41 - Step 5: Solve for x
x = 54,887,383,522.41/252,830.28 - Step 6: Final answer
x = 217,091.81
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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.