Finding the Fourth Proportional to 181,633.10, 272,493.21 and 56,974.06
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Solution
The fourth proportional to 181,633.10, 272,493.21 and 56,974.06 is: 85,474.75
Step by Step Solution
- Step 1: Write the proportion equation
181,633.10 : 272,493.21 = 56,974.06 : x - Step 2: Convert to fraction form
181,633.10/272,493.21 = 56,974.06/x - Step 3: Cross multiply
181,633.10x = 272,493.21 × 56,974.06 - Step 4: Simplify right side
181,633.10x = 15,525,044,496.13 - Step 5: Solve for x
x = 15,525,044,496.13/181,633.10 - Step 6: Final answer
x = 85,474.75
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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.