Finding the Fourth Proportional to 831,224.16, 1,246,873.28 and 254,804.96
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Solution
The fourth proportional to 831,224.16, 1,246,873.28 and 254,804.96 is: 382,218.79
Step by Step Solution
- Step 1: Write the proportion equation
831,224.16 : 1,246,873.28 = 254,804.96 : x - Step 2: Convert to fraction form
831,224.16/1,246,873.28 = 254,804.96/x - Step 3: Cross multiply
831,224.16x = 1,246,873.28 × 254,804.96 - Step 4: Simplify right side
831,224.16x = 317,709,496,235.47 - Step 5: Solve for x
x = 317,709,496,235.47/831,224.16 - Step 6: Final answer
x = 382,218.79
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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.