Finding the Fourth Proportional to 248,427.36, 342,820.56 and 135,247.84
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Solution
The fourth proportional to 248,427.36, 342,820.56 and 135,247.84 is: 186,637.01
Step by Step Solution
- Step 1: Write the proportion equation
248,427.36 : 342,820.56 = 135,247.84 : x - Step 2: Convert to fraction form
248,427.36/342,820.56 = 135,247.84/x - Step 3: Cross multiply
248,427.36x = 342,820.56 × 135,247.84 - Step 4: Simplify right side
248,427.36x = 46,365,740,247.59 - Step 5: Solve for x
x = 46,365,740,247.59/248,427.36 - Step 6: Final answer
x = 186,637.01
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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.