Finding the Fourth Proportional to 438,042.75, 604,499.00 and 236,838.75
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Solution
The fourth proportional to 438,042.75, 604,499.00 and 236,838.75 is: 326,837.48
Step by Step Solution
- Step 1: Write the proportion equation
438,042.75 : 604,499.00 = 236,838.75 : x - Step 2: Convert to fraction form
438,042.75/604,499.00 = 236,838.75/x - Step 3: Cross multiply
438,042.75x = 604,499.00 × 236,838.75 - Step 4: Simplify right side
438,042.75x = 143,168,786,352.06 - Step 5: Solve for x
x = 143,168,786,352.06/438,042.75 - Step 6: Final answer
x = 326,837.48
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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.