Finding the Fourth Proportional to 306,639.68, 456,812.73 and 292,806.56
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Solution
The fourth proportional to 306,639.68, 456,812.73 and 292,806.56 is: 436,205.02
Step by Step Solution
- Step 1: Write the proportion equation
306,639.68 : 456,812.73 = 292,806.56 : x - Step 2: Convert to fraction form
306,639.68/456,812.73 = 292,806.56/x - Step 3: Cross multiply
306,639.68x = 456,812.73 × 292,806.56 - Step 4: Simplify right side
306,639.68x = 133,757,765,177.54 - Step 5: Solve for x
x = 133,757,765,177.54/306,639.68 - Step 6: Final answer
x = 436,205.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.