Finding the Fourth Proportional to 155,964.96, 233,968.29 and 54,738.99
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Solution
The fourth proportional to 155,964.96, 233,968.29 and 54,738.99 is: 82,115.80
Step by Step Solution
- Step 1: Write the proportion equation
155,964.96 : 233,968.29 = 54,738.99 : x - Step 2: Convert to fraction form
155,964.96/233,968.29 = 54,738.99/x - Step 3: Cross multiply
155,964.96x = 233,968.29 × 54,738.99 - Step 4: Simplify right side
155,964.96x = 12,807,187,886.63 - Step 5: Solve for x
x = 12,807,187,886.63/155,964.96 - Step 6: Final answer
x = 82,115.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.