Finding the Fourth Proportional to 689,078.21, 1,033,535.30 and 183,677.09
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Solution
The fourth proportional to 689,078.21, 1,033,535.30 and 183,677.09 is: 275,493.77
Step by Step Solution
- Step 1: Write the proportion equation
689,078.21 : 1,033,535.30 = 183,677.09 : x - Step 2: Convert to fraction form
689,078.21/1,033,535.30 = 183,677.09/x - Step 3: Cross multiply
689,078.21x = 1,033,535.30 × 183,677.09 - Step 4: Simplify right side
689,078.21x = 189,836,750,230.22 - Step 5: Solve for x
x = 189,836,750,230.22/689,078.21 - Step 6: Final answer
x = 275,493.77
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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.