Finding the Fourth Proportional to 181,897.71, 272,844.65 and 71,088.75
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Solution
The fourth proportional to 181,897.71, 272,844.65 and 71,088.75 is: 106,632.37
Step by Step Solution
- Step 1: Write the proportion equation
181,897.71 : 272,844.65 = 71,088.75 : x - Step 2: Convert to fraction form
181,897.71/272,844.65 = 71,088.75/x - Step 3: Cross multiply
181,897.71x = 272,844.65 × 71,088.75 - Step 4: Simplify right side
181,897.71x = 19,396,184,757.24 - Step 5: Solve for x
x = 19,396,184,757.24/181,897.71 - Step 6: Final answer
x = 106,632.37
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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.