Finding the Fourth Proportional to 181,723.84, 272,302.34 and 115,023.06
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Solution
The fourth proportional to 181,723.84, 272,302.34 and 115,023.06 is: 172,355.20
Step by Step Solution
- Step 1: Write the proportion equation
181,723.84 : 272,302.34 = 115,023.06 : x - Step 2: Convert to fraction form
181,723.84/272,302.34 = 115,023.06/x - Step 3: Cross multiply
181,723.84x = 272,302.34 × 115,023.06 - Step 4: Simplify right side
181,723.84x = 31,321,048,391.96 - Step 5: Solve for x
x = 31,321,048,391.96/181,723.84 - Step 6: Final answer
x = 172,355.20
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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.