Finding the Fourth Proportional to 181,417.80, 272,121.68 and 48,299.21
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Solution
The fourth proportional to 181,417.80, 272,121.68 and 48,299.21 is: 72,447.48
Step by Step Solution
- Step 1: Write the proportion equation
181,417.80 : 272,121.68 = 48,299.21 : x - Step 2: Convert to fraction form
181,417.80/272,121.68 = 48,299.21/x - Step 3: Cross multiply
181,417.80x = 272,121.68 × 48,299.21 - Step 4: Simplify right side
181,417.80x = 13,143,262,167.87 - Step 5: Solve for x
x = 13,143,262,167.87/181,417.80 - Step 6: Final answer
x = 72,447.48
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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.