Finding the Fourth Proportional to 689,227.67, 1,033,890.84 and 183,785.99
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Solution
The fourth proportional to 689,227.67, 1,033,890.84 and 183,785.99 is: 275,692.13
Step by Step Solution
- Step 1: Write the proportion equation
689,227.67 : 1,033,890.84 = 183,785.99 : x - Step 2: Convert to fraction form
689,227.67/1,033,890.84 = 183,785.99/x - Step 3: Cross multiply
689,227.67x = 1,033,890.84 × 183,785.99 - Step 4: Simplify right side
689,227.67x = 190,014,646,411.88 - Step 5: Solve for x
x = 190,014,646,411.88/689,227.67 - Step 6: Final answer
x = 275,692.13
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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.