Finding the Fourth Proportional to 647,201.62, 893,168.80 and 360,723.75
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Solution
The fourth proportional to 647,201.62, 893,168.80 and 360,723.75 is: 497,815.81
Step by Step Solution
- Step 1: Write the proportion equation
647,201.62 : 893,168.80 = 360,723.75 : x - Step 2: Convert to fraction form
647,201.62/893,168.80 = 360,723.75/x - Step 3: Cross multiply
647,201.62x = 893,168.80 × 360,723.75 - Step 4: Simplify right side
647,201.62x = 322,187,198,919 - Step 5: Solve for x
x = 322,187,198,919/647,201.62 - Step 6: Final answer
x = 497,815.81
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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.