Finding the Fourth Proportional to 511,612.86, 767,312.17 and 151,787.12
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Solution
The fourth proportional to 511,612.86, 767,312.17 and 151,787.12 is: 227,648.90
Step by Step Solution
- Step 1: Write the proportion equation
511,612.86 : 767,312.17 = 151,787.12 : x - Step 2: Convert to fraction form
511,612.86/767,312.17 = 151,787.12/x - Step 3: Cross multiply
511,612.86x = 767,312.17 × 151,787.12 - Step 4: Simplify right side
511,612.86x = 116,468,104,425.25 - Step 5: Solve for x
x = 116,468,104,425.25/511,612.86 - Step 6: Final answer
x = 227,648.90
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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.