Finding the Fourth Proportional to 181,729.84, 272,638.68 and 57,070.84
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Solution
The fourth proportional to 181,729.84, 272,638.68 and 57,070.84 is: 85,620.05
Step by Step Solution
- Step 1: Write the proportion equation
181,729.84 : 272,638.68 = 57,070.84 : x - Step 2: Convert to fraction form
181,729.84/272,638.68 = 57,070.84/x - Step 3: Cross multiply
181,729.84x = 272,638.68 × 57,070.84 - Step 4: Simplify right side
181,729.84x = 15,559,718,484.09 - Step 5: Solve for x
x = 15,559,718,484.09/181,729.84 - Step 6: Final answer
x = 85,620.05
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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.