Finding the Fourth Proportional to 272,284.29, 408,445.94 and 72,603.63
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Solution
The fourth proportional to 272,284.29, 408,445.94 and 72,603.63 is: 108,910.65
Step by Step Solution
- Step 1: Write the proportion equation
272,284.29 : 408,445.94 = 72,603.63 : x - Step 2: Convert to fraction form
272,284.29/408,445.94 = 72,603.63/x - Step 3: Cross multiply
272,284.29x = 408,445.94 × 72,603.63 - Step 4: Simplify right side
272,284.29x = 29,654,658,084.27 - Step 5: Solve for x
x = 29,654,658,084.27/272,284.29 - Step 6: Final answer
x = 108,910.65
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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.