Finding the Fourth Proportional to 462,811.36, 638,562.72 and 271,787.44
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Solution
The fourth proportional to 462,811.36, 638,562.72 and 271,787.44 is: 374,997.98
Step by Step Solution
- Step 1: Write the proportion equation
462,811.36 : 638,562.72 = 271,787.44 : x - Step 2: Convert to fraction form
462,811.36/638,562.72 = 271,787.44/x - Step 3: Cross multiply
462,811.36x = 638,562.72 × 271,787.44 - Step 4: Simplify right side
462,811.36x = 173,553,326,948.24 - Step 5: Solve for x
x = 173,553,326,948.24/462,811.36 - Step 6: Final answer
x = 374,997.98
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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.