Finding the Fourth Proportional to 141,787.70, 212,714.62 and 47,010.95
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Solution
The fourth proportional to 141,787.70, 212,714.62 and 47,010.95 is: 70,527.39
Step by Step Solution
- Step 1: Write the proportion equation
141,787.70 : 212,714.62 = 47,010.95 : x - Step 2: Convert to fraction form
141,787.70/212,714.62 = 47,010.95/x - Step 3: Cross multiply
141,787.70x = 212,714.62 × 47,010.95 - Step 4: Simplify right side
141,787.70x = 9,999,916,246.10 - Step 5: Solve for x
x = 9,999,916,246.10/141,787.70 - Step 6: Final answer
x = 70,527.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.