Finding the Fourth Proportional to 849,319.36, 1,274,023.68 and 218,237.44
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Solution
The fourth proportional to 849,319.36, 1,274,023.68 and 218,237.44 is: 327,367.63
Step by Step Solution
- Step 1: Write the proportion equation
849,319.36 : 1,274,023.68 = 218,237.44 : x - Step 2: Convert to fraction form
849,319.36/1,274,023.68 = 218,237.44/x - Step 3: Cross multiply
849,319.36x = 1,274,023.68 × 218,237.44 - Step 4: Simplify right side
849,319.36x = 278,039,666,422.58 - Step 5: Solve for x
x = 278,039,666,422.58/849,319.36 - Step 6: Final answer
x = 327,367.63
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1.5x scale
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.