Finding the Fourth Proportional to 427,039.97, 589,297.23 and 252,723.17
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Solution
The fourth proportional to 427,039.97, 589,297.23 and 252,723.17 is: 348,747.37
Step by Step Solution
- Step 1: Write the proportion equation
427,039.97 : 589,297.23 = 252,723.17 : x - Step 2: Convert to fraction form
427,039.97/589,297.23 = 252,723.17/x - Step 3: Cross multiply
427,039.97x = 589,297.23 × 252,723.17 - Step 4: Simplify right side
427,039.97x = 148,929,065,511.06 - Step 5: Solve for x
x = 148,929,065,511.06/427,039.97 - Step 6: Final answer
x = 348,747.37
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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.