Finding the Fourth Proportional to 276,907.14, 415,360.66 and 66,545.08
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Solution
The fourth proportional to 276,907.14, 415,360.66 and 66,545.08 is: 99,817.61
Step by Step Solution
- Step 1: Write the proportion equation
276,907.14 : 415,360.66 = 66,545.08 : x - Step 2: Convert to fraction form
276,907.14/415,360.66 = 66,545.08/x - Step 3: Cross multiply
276,907.14x = 415,360.66 × 66,545.08 - Step 4: Simplify right side
276,907.14x = 27,640,208,348.55 - Step 5: Solve for x
x = 27,640,208,348.55/276,907.14 - Step 6: Final answer
x = 99,817.61
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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.