Finding the Fourth Proportional to 921,232.99, 1,381,898.99 and 290,196.19
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Solution
The fourth proportional to 921,232.99, 1,381,898.99 and 290,196.19 is: 435,309.88
Step by Step Solution
- Step 1: Write the proportion equation
921,232.99 : 1,381,898.99 = 290,196.19 : x - Step 2: Convert to fraction form
921,232.99/1,381,898.99 = 290,196.19/x - Step 3: Cross multiply
921,232.99x = 1,381,898.99 × 290,196.19 - Step 4: Simplify right side
921,232.99x = 401,021,821,862.85 - Step 5: Solve for x
x = 401,021,821,862.85/921,232.99 - Step 6: Final answer
x = 435,309.88
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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.