Finding the Fourth Proportional to 301,444.86, 415,908.68 and 194,077.05
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Solution
The fourth proportional to 301,444.86, 415,908.68 and 194,077.05 is: 267,771.45
Step by Step Solution
- Step 1: Write the proportion equation
301,444.86 : 415,908.68 = 194,077.05 : x - Step 2: Convert to fraction form
301,444.86/415,908.68 = 194,077.05/x - Step 3: Cross multiply
301,444.86x = 415,908.68 × 194,077.05 - Step 4: Simplify right side
301,444.86x = 80,718,328,713.41 - Step 5: Solve for x
x = 80,718,328,713.41/301,444.86 - Step 6: Final answer
x = 267,771.45
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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.