Finding the Fourth Proportional to 272,354.58, 408,531.90 and 72,675.68
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Solution
The fourth proportional to 272,354.58, 408,531.90 and 72,675.68 is: 109,013.53
Step by Step Solution
- Step 1: Write the proportion equation
272,354.58 : 408,531.90 = 72,675.68 : x - Step 2: Convert to fraction form
272,354.58/408,531.90 = 72,675.68/x - Step 3: Cross multiply
272,354.58x = 408,531.90 × 72,675.68 - Step 4: Simplify right side
272,354.58x = 29,690,333,634.19 - Step 5: Solve for x
x = 29,690,333,634.19/272,354.58 - Step 6: Final answer
x = 109,013.53
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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.