Finding the Fourth Proportional to 163,407.24, 244,766.16 and 74,735.28
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Solution
The fourth proportional to 163,407.24, 244,766.16 and 74,735.28 is: 111,945.27
Step by Step Solution
- Step 1: Write the proportion equation
163,407.24 : 244,766.16 = 74,735.28 : x - Step 2: Convert to fraction form
163,407.24/244,766.16 = 74,735.28/x - Step 3: Cross multiply
163,407.24x = 244,766.16 × 74,735.28 - Step 4: Simplify right side
163,407.24x = 18,292,667,502.12 - Step 5: Solve for x
x = 18,292,667,502.12/163,407.24 - Step 6: Final answer
x = 111,945.27
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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.