Finding the Fourth Proportional to 354,485.34, 531,514.14 and 141,286.08
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Solution
The fourth proportional to 354,485.34, 531,514.14 and 141,286.08 is: 211,843.88
Step by Step Solution
- Step 1: Write the proportion equation
354,485.34 : 531,514.14 = 141,286.08 : x - Step 2: Convert to fraction form
354,485.34/531,514.14 = 141,286.08/x - Step 3: Cross multiply
354,485.34x = 531,514.14 × 141,286.08 - Step 4: Simplify right side
354,485.34x = 75,095,549,305.17 - Step 5: Solve for x
x = 75,095,549,305.17/354,485.34 - Step 6: Final answer
x = 211,843.88
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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.