Finding the Fourth Proportional to 292,338.24, 438,497.84 and 123,813.60
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Solution
The fourth proportional to 292,338.24, 438,497.84 and 123,813.60 is: 185,716.37
Step by Step Solution
- Step 1: Write the proportion equation
292,338.24 : 438,497.84 = 123,813.60 : x - Step 2: Convert to fraction form
292,338.24/438,497.84 = 123,813.60/x - Step 3: Cross multiply
292,338.24x = 438,497.84 × 123,813.60 - Step 4: Simplify right side
292,338.24x = 54,291,996,162.62 - Step 5: Solve for x
x = 54,291,996,162.62/292,338.24 - Step 6: Final answer
x = 185,716.37
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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.