Finding the Fourth Proportional to 205,150.44, 306,916.26 and 155,374.44
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Solution
The fourth proportional to 205,150.44, 306,916.26 and 155,374.44 is: 232,448.65
Step by Step Solution
- Step 1: Write the proportion equation
205,150.44 : 306,916.26 = 155,374.44 : x - Step 2: Convert to fraction form
205,150.44/306,916.26 = 155,374.44/x - Step 3: Cross multiply
205,150.44x = 306,916.26 × 155,374.44 - Step 4: Simplify right side
205,150.44x = 47,686,942,024.39 - Step 5: Solve for x
x = 47,686,942,024.39/205,150.44 - Step 6: Final answer
x = 232,448.65
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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.