Finding the Fourth Proportional to 171,735.16, 236,720.69 and 135,377.31
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Solution
The fourth proportional to 171,735.16, 236,720.69 and 135,377.31 is: 186,604.83
Step by Step Solution
- Step 1: Write the proportion equation
171,735.16 : 236,720.69 = 135,377.31 : x - Step 2: Convert to fraction form
171,735.16/236,720.69 = 135,377.31/x - Step 3: Cross multiply
171,735.16x = 236,720.69 × 135,377.31 - Step 4: Simplify right side
171,735.16x = 32,046,610,233.54 - Step 5: Solve for x
x = 32,046,610,233.54/171,735.16 - Step 6: Final answer
x = 186,604.83
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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.