Finding the Fourth Proportional to 831,128.18, 1,246,692.62 and 200,042.00
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Solution
The fourth proportional to 831,128.18, 1,246,692.62 and 200,042.00 is: 300,063.07
Step by Step Solution
- Step 1: Write the proportion equation
831,128.18 : 1,246,692.62 = 200,042.00 : x - Step 2: Convert to fraction form
831,128.18/1,246,692.62 = 200,042.00/x - Step 3: Cross multiply
831,128.18x = 1,246,692.62 × 200,042.00 - Step 4: Simplify right side
831,128.18x = 249,390,877,856.37 - Step 5: Solve for x
x = 249,390,877,856.37/831,128.18 - Step 6: Final answer
x = 300,063.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.