Finding the Fourth Proportional to 74,169.24, 111,252.97 and 18,009.91
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Solution
The fourth proportional to 74,169.24, 111,252.97 and 18,009.91 is: 27,014.65
Step by Step Solution
- Step 1: Write the proportion equation
74,169.24 : 111,252.97 = 18,009.91 : x - Step 2: Convert to fraction form
74,169.24/111,252.97 = 18,009.91/x - Step 3: Cross multiply
74,169.24x = 111,252.97 × 18,009.91 - Step 4: Simplify right side
74,169.24x = 2,003,655,976.93 - Step 5: Solve for x
x = 2,003,655,976.93/74,169.24 - Step 6: Final answer
x = 27,014.65
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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.