Finding the Fourth Proportional to 276,361.47, 412,386.80 and 246,574.53
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Solution
The fourth proportional to 276,361.47, 412,386.80 and 246,574.53 is: 367,938.70
Step by Step Solution
- Step 1: Write the proportion equation
276,361.47 : 412,386.80 = 246,574.53 : x - Step 2: Convert to fraction form
276,361.47/412,386.80 = 246,574.53/x - Step 3: Cross multiply
276,361.47x = 412,386.80 × 246,574.53 - Step 4: Simplify right side
276,361.47x = 101,684,080,155.33 - Step 5: Solve for x
x = 101,684,080,155.33/276,361.47 - Step 6: Final answer
x = 367,938.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.