Finding the Fourth Proportional to 921,230.74, 1,381,895.61 and 290,193.94
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Solution
The fourth proportional to 921,230.74, 1,381,895.61 and 290,193.94 is: 435,306.50
Step by Step Solution
- Step 1: Write the proportion equation
921,230.74 : 1,381,895.61 = 290,193.94 : x - Step 2: Convert to fraction form
921,230.74/1,381,895.61 = 290,193.94/x - Step 3: Cross multiply
921,230.74x = 1,381,895.61 × 290,193.94 - Step 4: Simplify right side
921,230.74x = 401,017,731,734.60 - Step 5: Solve for x
x = 401,017,731,734.60/921,230.74 - Step 6: Final answer
x = 435,306.50
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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.