Finding the Fourth Proportional to 438,603.06, 605,286.87 and 268,804.38
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Solution
The fourth proportional to 438,603.06, 605,286.87 and 268,804.38 is: 370,959.02
Step by Step Solution
- Step 1: Write the proportion equation
438,603.06 : 605,286.87 = 268,804.38 : x - Step 2: Convert to fraction form
438,603.06/605,286.87 = 268,804.38/x - Step 3: Cross multiply
438,603.06x = 605,286.87 × 268,804.38 - Step 4: Simplify right side
438,603.06x = 162,703,761,812.49 - Step 5: Solve for x
x = 162,703,761,812.49/438,603.06 - Step 6: Final answer
x = 370,959.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.