Finding the Fourth Proportional to 437,435.74, 603,661.32 and 236,231.74
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Solution
The fourth proportional to 437,435.74, 603,661.32 and 236,231.74 is: 325,999.80
Step by Step Solution
- Step 1: Write the proportion equation
437,435.74 : 603,661.32 = 236,231.74 : x - Step 2: Convert to fraction form
437,435.74/603,661.32 = 236,231.74/x - Step 3: Cross multiply
437,435.74x = 603,661.32 × 236,231.74 - Step 4: Simplify right side
437,435.74x = 142,603,962,813.14 - Step 5: Solve for x
x = 142,603,962,813.14/437,435.74 - Step 6: Final answer
x = 325,999.80
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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.