Finding the Fourth Proportional to 322,237.82, 482,993.44 and 153,620.12
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Solution
The fourth proportional to 322,237.82, 482,993.44 and 153,620.12 is: 230,256.99
Step by Step Solution
- Step 1: Write the proportion equation
322,237.82 : 482,993.44 = 153,620.12 : x - Step 2: Convert to fraction form
322,237.82/482,993.44 = 153,620.12/x - Step 3: Cross multiply
322,237.82x = 482,993.44 × 153,620.12 - Step 4: Simplify right side
322,237.82x = 74,197,510,212.01 - Step 5: Solve for x
x = 74,197,510,212.01/322,237.82 - Step 6: Final answer
x = 230,256.99
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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.