Finding the Fourth Proportional to 261,872.08, 361,373.30 and 160,067.99
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Solution
The fourth proportional to 261,872.08, 361,373.30 and 160,067.99 is: 220,887.61
Step by Step Solution
- Step 1: Write the proportion equation
261,872.08 : 361,373.30 = 160,067.99 : x - Step 2: Convert to fraction form
261,872.08/361,373.30 = 160,067.99/x - Step 3: Cross multiply
261,872.08x = 361,373.30 × 160,067.99 - Step 4: Simplify right side
261,872.08x = 57,844,298,474.02 - Step 5: Solve for x
x = 57,844,298,474.02/261,872.08 - Step 6: Final answer
x = 220,887.61
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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.