Finding the Fourth Proportional to 921,232.24, 1,381,897.86 and 290,195.44
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Solution
The fourth proportional to 921,232.24, 1,381,897.86 and 290,195.44 is: 435,308.75
Step by Step Solution
- Step 1: Write the proportion equation
921,232.24 : 1,381,897.86 = 290,195.44 : x - Step 2: Convert to fraction form
921,232.24/1,381,897.86 = 290,195.44/x - Step 3: Cross multiply
921,232.24x = 1,381,897.86 × 290,195.44 - Step 4: Simplify right side
921,232.24x = 401,020,457,517.76 - Step 5: Solve for x
x = 401,020,457,517.76/921,232.24 - Step 6: Final answer
x = 435,308.75
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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.