Finding the Fourth Proportional to 921,231.24, 1,381,896.36 and 290,194.44
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Solution
The fourth proportional to 921,231.24, 1,381,896.36 and 290,194.44 is: 435,307.25
Step by Step Solution
- Step 1: Write the proportion equation
921,231.24 : 1,381,896.36 = 290,194.44 : x - Step 2: Convert to fraction form
921,231.24/1,381,896.36 = 290,194.44/x - Step 3: Cross multiply
921,231.24x = 1,381,896.36 × 290,194.44 - Step 4: Simplify right side
921,231.24x = 401,018,640,328.24 - Step 5: Solve for x
x = 401,018,640,328.24/921,231.24 - Step 6: Final answer
x = 435,307.25
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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.