Finding the Fourth Proportional to 309,515.68, 427,220.21 and 182,265.08
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Solution
The fourth proportional to 309,515.68, 427,220.21 and 182,265.08 is: 251,577.97
Step by Step Solution
- Step 1: Write the proportion equation
309,515.68 : 427,220.21 = 182,265.08 : x - Step 2: Convert to fraction form
309,515.68/427,220.21 = 182,265.08/x - Step 3: Cross multiply
309,515.68x = 427,220.21 × 182,265.08 - Step 4: Simplify right side
309,515.68x = 77,867,324,841.94 - Step 5: Solve for x
x = 77,867,324,841.94/309,515.68 - Step 6: Final answer
x = 251,577.97
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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.