Finding the Fourth Proportional to 527,370.13, 727,770.93 and 285,651.96
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Solution
The fourth proportional to 527,370.13, 727,770.93 and 285,651.96 is: 394,199.78
Step by Step Solution
- Step 1: Write the proportion equation
527,370.13 : 727,770.93 = 285,651.96 : x - Step 2: Convert to fraction form
527,370.13/727,770.93 = 285,651.96/x - Step 3: Cross multiply
527,370.13x = 727,770.93 × 285,651.96 - Step 4: Simplify right side
527,370.13x = 207,889,187,518.41 - Step 5: Solve for x
x = 207,889,187,518.41/527,370.13 - Step 6: Final answer
x = 394,199.78
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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.