Finding the Fourth Proportional to 190,784.63, 263,277.95 and 104,743.19
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Solution
The fourth proportional to 190,784.63, 263,277.95 and 104,743.19 is: 144,542.94
Step by Step Solution
- Step 1: Write the proportion equation
190,784.63 : 263,277.95 = 104,743.19 : x - Step 2: Convert to fraction form
190,784.63/263,277.95 = 104,743.19/x - Step 3: Cross multiply
190,784.63x = 263,277.95 × 104,743.19 - Step 4: Simplify right side
190,784.63x = 27,576,572,474.14 - Step 5: Solve for x
x = 27,576,572,474.14/190,784.63 - Step 6: Final answer
x = 144,542.94
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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.