Finding the Fourth Proportional to 831,680.16, 1,247,329.44 and 232,683.84
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Solution
The fourth proportional to 831,680.16, 1,247,329.44 and 232,683.84 is: 348,972.38
Step by Step Solution
- Step 1: Write the proportion equation
831,680.16 : 1,247,329.44 = 232,683.84 : x - Step 2: Convert to fraction form
831,680.16/1,247,329.44 = 232,683.84/x - Step 3: Cross multiply
831,680.16x = 1,247,329.44 × 232,683.84 - Step 4: Simplify right side
831,680.16x = 290,233,403,844.25 - Step 5: Solve for x
x = 290,233,403,844.25/831,680.16 - Step 6: Final answer
x = 348,972.38
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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.