Finding the Fourth Proportional to 638,356.64, 957,675.11 and 189,112.68
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Solution
The fourth proportional to 638,356.64, 957,675.11 and 189,112.68 is: 283,710.54
Step by Step Solution
- Step 1: Write the proportion equation
638,356.64 : 957,675.11 = 189,112.68 : x - Step 2: Convert to fraction form
638,356.64/957,675.11 = 189,112.68/x - Step 3: Cross multiply
638,356.64x = 957,675.11 × 189,112.68 - Step 4: Simplify right side
638,356.64x = 181,108,505,675.83 - Step 5: Solve for x
x = 181,108,505,675.83/638,356.64 - Step 6: Final answer
x = 283,710.54
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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.