Finding the Fourth Proportional to 665,766.36, 998,656.82 and 192,455.82
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Solution
The fourth proportional to 665,766.36, 998,656.82 and 192,455.82 is: 288,685.83
Step by Step Solution
- Step 1: Write the proportion equation
665,766.36 : 998,656.82 = 192,455.82 : x - Step 2: Convert to fraction form
665,766.36/998,656.82 = 192,455.82/x - Step 3: Cross multiply
665,766.36x = 998,656.82 × 192,455.82 - Step 4: Simplify right side
665,766.36x = 192,197,316,229.41 - Step 5: Solve for x
x = 192,197,316,229.41/665,766.36 - Step 6: Final answer
x = 288,685.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.