Finding the Fourth Proportional to 511,787.30, 767,457.99 and 271,848.69
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Solution
The fourth proportional to 511,787.30, 767,457.99 and 271,848.69 is: 407,654.61
Step by Step Solution
- Step 1: Write the proportion equation
511,787.30 : 767,457.99 = 271,848.69 : x - Step 2: Convert to fraction form
511,787.30/767,457.99 = 271,848.69/x - Step 3: Cross multiply
511,787.30x = 767,457.99 × 271,848.69 - Step 4: Simplify right side
511,787.30x = 208,632,449,211.53 - Step 5: Solve for x
x = 208,632,449,211.53/511,787.30 - Step 6: Final answer
x = 407,654.61
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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.