Finding the Fourth Proportional to 300,540.14, 413,909.07 and 232,305.74
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Solution
The fourth proportional to 300,540.14, 413,909.07 and 232,305.74 is: 319,935.47
Step by Step Solution
- Step 1: Write the proportion equation
300,540.14 : 413,909.07 = 232,305.74 : x - Step 2: Convert to fraction form
300,540.14/413,909.07 = 232,305.74/x - Step 3: Cross multiply
300,540.14x = 413,909.07 × 232,305.74 - Step 4: Simplify right side
300,540.14x = 96,153,450,729.52 - Step 5: Solve for x
x = 96,153,450,729.52/300,540.14 - Step 6: Final answer
x = 319,935.47
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1.5x scale
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.