Finding the Fourth Proportional to 202,227.30, 303,340.95 and 139,241.70
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Solution
The fourth proportional to 202,227.30, 303,340.95 and 139,241.70 is: 208,862.55
Step by Step Solution
- Step 1: Write the proportion equation
202,227.30 : 303,340.95 = 139,241.70 : x - Step 2: Convert to fraction form
202,227.30/303,340.95 = 139,241.70/x - Step 3: Cross multiply
202,227.30x = 303,340.95 × 139,241.70 - Step 4: Simplify right side
202,227.30x = 42,237,709,557.62 - Step 5: Solve for x
x = 42,237,709,557.62/202,227.30 - Step 6: Final answer
x = 208,862.55
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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.