Finding the Fourth Proportional to 256,171.19, 353,514.88 and 148,767.62
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Solution
The fourth proportional to 256,171.19, 353,514.88 and 148,767.62 is: 205,298.52
Step by Step Solution
- Step 1: Write the proportion equation
256,171.19 : 353,514.88 = 148,767.62 : x - Step 2: Convert to fraction form
256,171.19/353,514.88 = 148,767.62/x - Step 3: Cross multiply
256,171.19x = 353,514.88 × 148,767.62 - Step 4: Simplify right side
256,171.19x = 52,591,567,332.19 - Step 5: Solve for x
x = 52,591,567,332.19/256,171.19 - Step 6: Final answer
x = 205,298.52
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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.