Finding the Fourth Proportional to 248,358.08, 372,609.71 and 79,874.63
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Solution
The fourth proportional to 248,358.08, 372,609.71 and 79,874.63 is: 119,835.29
Step by Step Solution
- Step 1: Write the proportion equation
248,358.08 : 372,609.71 = 79,874.63 : x - Step 2: Convert to fraction form
248,358.08/372,609.71 = 79,874.63/x - Step 3: Cross multiply
248,358.08x = 372,609.71 × 79,874.63 - Step 4: Simplify right side
248,358.08x = 29,762,062,321.28 - Step 5: Solve for x
x = 29,762,062,321.28/248,358.08 - Step 6: Final answer
x = 119,835.29
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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.