Finding the Fourth Proportional to 438,536.26, 605,179.92 and 237,332.26
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Solution
The fourth proportional to 438,536.26, 605,179.92 and 237,332.26 is: 327,518.45
Step by Step Solution
- Step 1: Write the proportion equation
438,536.26 : 605,179.92 = 237,332.26 : x - Step 2: Convert to fraction form
438,536.26/605,179.92 = 237,332.26/x - Step 3: Cross multiply
438,536.26x = 605,179.92 × 237,332.26 - Step 4: Simplify right side
438,536.26x = 143,628,718,120.22 - Step 5: Solve for x
x = 143,628,718,120.22/438,536.26 - Step 6: Final answer
x = 327,518.45
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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.