Finding the Fourth Proportional to 248,302.56, 342,664.68 and 135,132.48
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Solution
The fourth proportional to 248,302.56, 342,664.68 and 135,132.48 is: 186,486.71
Step by Step Solution
- Step 1: Write the proportion equation
248,302.56 : 342,664.68 = 135,132.48 : x - Step 2: Convert to fraction form
248,302.56/342,664.68 = 135,132.48/x - Step 3: Cross multiply
248,302.56x = 342,664.68 × 135,132.48 - Step 4: Simplify right side
248,302.56x = 46,305,128,016.81 - Step 5: Solve for x
x = 46,305,128,016.81/248,302.56 - Step 6: Final answer
x = 186,486.71
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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.