Finding the Fourth Proportional to 429,961.75, 644,957.18 and 114,418.96
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Solution
The fourth proportional to 429,961.75, 644,957.18 and 114,418.96 is: 171,632.31
Step by Step Solution
- Step 1: Write the proportion equation
429,961.75 : 644,957.18 = 114,418.96 : x - Step 2: Convert to fraction form
429,961.75/644,957.18 = 114,418.96/x - Step 3: Cross multiply
429,961.75x = 644,957.18 × 114,418.96 - Step 4: Simplify right side
429,961.75x = 73,795,329,780.13 - Step 5: Solve for x
x = 73,795,329,780.13/429,961.75 - Step 6: Final answer
x = 171,632.31
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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.