Finding the Fourth Proportional to 638,774.48, 958,361.52 and 189,497.68
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Solution
The fourth proportional to 638,774.48, 958,361.52 and 189,497.68 is: 284,305.79
Step by Step Solution
- Step 1: Write the proportion equation
638,774.48 : 958,361.52 = 189,497.68 : x - Step 2: Convert to fraction form
638,774.48/958,361.52 = 189,497.68/x - Step 3: Cross multiply
638,774.48x = 958,361.52 × 189,497.68 - Step 4: Simplify right side
638,774.48x = 181,607,284,641.27 - Step 5: Solve for x
x = 181,607,284,641.27/638,774.48 - Step 6: Final answer
x = 284,305.79
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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.