Finding the Fourth Proportional to 464,327.87, 640,908.52 and 303,207.93
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Solution
The fourth proportional to 464,327.87, 640,908.52 and 303,207.93 is: 418,515.79
Step by Step Solution
- Step 1: Write the proportion equation
464,327.87 : 640,908.52 = 303,207.93 : x - Step 2: Convert to fraction form
464,327.87/640,908.52 = 303,207.93/x - Step 3: Cross multiply
464,327.87x = 640,908.52 × 303,207.93 - Step 4: Simplify right side
464,327.87x = 194,328,544,910.54 - Step 5: Solve for x
x = 194,328,544,910.54/464,327.87 - Step 6: Final answer
x = 418,515.79
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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.