Finding the Fourth Proportional to 395,553.62, 545,866.61 and 214,265.55
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Solution
The fourth proportional to 395,553.62, 545,866.61 and 214,265.55 is: 295,687.88
Step by Step Solution
- Step 1: Write the proportion equation
395,553.62 : 545,866.61 = 214,265.55 : x - Step 2: Convert to fraction form
395,553.62/545,866.61 = 214,265.55/x - Step 3: Cross multiply
395,553.62x = 545,866.61 × 214,265.55 - Step 4: Simplify right side
395,553.62x = 116,960,409,418.29 - Step 5: Solve for x
x = 116,960,409,418.29/395,553.62 - Step 6: Final answer
x = 295,687.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.