Finding the Fourth Proportional to 191,743.44, 264,607.28 and 106,865.97
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Solution
The fourth proportional to 191,743.44, 264,607.28 and 106,865.97 is: 147,475.78
Step by Step Solution
- Step 1: Write the proportion equation
191,743.44 : 264,607.28 = 106,865.97 : x - Step 2: Convert to fraction form
191,743.44/264,607.28 = 106,865.97/x - Step 3: Cross multiply
191,743.44x = 264,607.28 × 106,865.97 - Step 4: Simplify right side
191,743.44x = 28,277,513,646.26 - Step 5: Solve for x
x = 28,277,513,646.26/191,743.44 - Step 6: Final answer
x = 147,475.78
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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.