Finding the Fourth Proportional to 272,053.08, 408,078.81 and 72,373.50
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Solution
The fourth proportional to 272,053.08, 408,078.81 and 72,373.50 is: 108,560.03
Step by Step Solution
- Step 1: Write the proportion equation
272,053.08 : 408,078.81 = 72,373.50 : x - Step 2: Convert to fraction form
272,053.08/408,078.81 = 72,373.50/x - Step 3: Cross multiply
272,053.08x = 408,078.81 × 72,373.50 - Step 4: Simplify right side
272,053.08x = 29,534,091,755.54 - Step 5: Solve for x
x = 29,534,091,755.54/272,053.08 - Step 6: Final answer
x = 108,560.03
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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.