Finding the Fourth Proportional to 153,514.62, 211,835.79 and 113,250.75
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Solution
The fourth proportional to 153,514.62, 211,835.79 and 113,250.75 is: 156,275.42
Step by Step Solution
- Step 1: Write the proportion equation
153,514.62 : 211,835.79 = 113,250.75 : x - Step 2: Convert to fraction form
153,514.62/211,835.79 = 113,250.75/x - Step 3: Cross multiply
153,514.62x = 211,835.79 × 113,250.75 - Step 4: Simplify right side
153,514.62x = 23,990,562,094.34 - Step 5: Solve for x
x = 23,990,562,094.34/153,514.62 - Step 6: Final answer
x = 156,275.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.