Finding the Fourth Proportional to 281,018.11, 387,804.99 and 153,693.70
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Solution
The fourth proportional to 281,018.11, 387,804.99 and 153,693.70 is: 212,097.31
Step by Step Solution
- Step 1: Write the proportion equation
281,018.11 : 387,804.99 = 153,693.70 : x - Step 2: Convert to fraction form
281,018.11/387,804.99 = 153,693.70/x - Step 3: Cross multiply
281,018.11x = 387,804.99 × 153,693.70 - Step 4: Simplify right side
281,018.11x = 59,603,185,147.54 - Step 5: Solve for x
x = 59,603,185,147.54/281,018.11 - Step 6: Final answer
x = 212,097.31
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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.