Finding the Fourth Proportional to 431,833.14, 647,832.74 and 165,572.88
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Solution
The fourth proportional to 431,833.14, 647,832.74 and 165,572.88 is: 248,391.15
Step by Step Solution
- Step 1: Write the proportion equation
431,833.14 : 647,832.74 = 165,572.88 : x - Step 2: Convert to fraction form
431,833.14/647,832.74 = 165,572.88/x - Step 3: Cross multiply
431,833.14x = 647,832.74 × 165,572.88 - Step 4: Simplify right side
431,833.14x = 107,263,531,692.23 - Step 5: Solve for x
x = 107,263,531,692.23/431,833.14 - Step 6: Final answer
x = 248,391.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.