Finding the Fourth Proportional to 384,893.02, 531,129.63 and 212,797.48
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Solution
The fourth proportional to 384,893.02, 531,129.63 and 212,797.48 is: 293,647.95
Step by Step Solution
- Step 1: Write the proportion equation
384,893.02 : 531,129.63 = 212,797.48 : x - Step 2: Convert to fraction form
384,893.02/531,129.63 = 212,797.48/x - Step 3: Cross multiply
384,893.02x = 531,129.63 × 212,797.48 - Step 4: Simplify right side
384,893.02x = 113,023,046,684.87 - Step 5: Solve for x
x = 113,023,046,684.87/384,893.02 - Step 6: Final answer
x = 293,647.95
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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.