Finding the Fourth Proportional to 395,553.04, 545,835.99 and 221,111.98
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Solution
The fourth proportional to 395,553.04, 545,835.99 and 221,111.98 is: 305,119.32
Step by Step Solution
- Step 1: Write the proportion equation
395,553.04 : 545,835.99 = 221,111.98 : x - Step 2: Convert to fraction form
395,553.04/545,835.99 = 221,111.98/x - Step 3: Cross multiply
395,553.04x = 545,835.99 × 221,111.98 - Step 4: Simplify right side
395,553.04x = 120,690,876,504.16 - Step 5: Solve for x
x = 120,690,876,504.16/395,553.04 - Step 6: Final answer
x = 305,119.32
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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.