Finding the Fourth Proportional to 181,665.99, 272,407.40 and 55,281.99
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Solution
The fourth proportional to 181,665.99, 272,407.40 and 55,281.99 is: 82,895.11
Step by Step Solution
- Step 1: Write the proportion equation
181,665.99 : 272,407.40 = 55,281.99 : x - Step 2: Convert to fraction form
181,665.99/272,407.40 = 55,281.99/x - Step 3: Cross multiply
181,665.99x = 272,407.40 × 55,281.99 - Step 4: Simplify right side
181,665.99x = 15,059,222,886.32 - Step 5: Solve for x
x = 15,059,222,886.32/181,665.99 - Step 6: Final answer
x = 82,895.11
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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.