Finding the Fourth Proportional to 248,085.36, 342,372.75 and 146,178.75
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Solution
The fourth proportional to 248,085.36, 342,372.75 and 146,178.75 is: 201,735.49
Step by Step Solution
- Step 1: Write the proportion equation
248,085.36 : 342,372.75 = 146,178.75 : x - Step 2: Convert to fraction form
248,085.36/342,372.75 = 146,178.75/x - Step 3: Cross multiply
248,085.36x = 342,372.75 × 146,178.75 - Step 4: Simplify right side
248,085.36x = 50,047,620,629.06 - Step 5: Solve for x
x = 50,047,620,629.06/248,085.36 - Step 6: Final answer
x = 201,735.49
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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.