Finding the Fourth Proportional to 438,217.26, 604,739.86 and 237,013.26
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Solution
The fourth proportional to 438,217.26, 604,739.86 and 237,013.26 is: 327,078.32
Step by Step Solution
- Step 1: Write the proportion equation
438,217.26 : 604,739.86 = 237,013.26 : x - Step 2: Convert to fraction form
438,217.26/604,739.86 = 237,013.26/x - Step 3: Cross multiply
438,217.26x = 604,739.86 × 237,013.26 - Step 4: Simplify right side
438,217.26x = 143,331,365,670.54 - Step 5: Solve for x
x = 143,331,365,670.54/438,217.26 - Step 6: Final answer
x = 327,078.32
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1.5x scale
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.