Finding the Fourth Proportional to 171,487.64, 257,138.69 and 136,176.14
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Solution
The fourth proportional to 171,487.64, 257,138.69 and 136,176.14 is: 204,190.53
Step by Step Solution
- Step 1: Write the proportion equation
171,487.64 : 257,138.69 = 136,176.14 : x - Step 2: Convert to fraction form
171,487.64/257,138.69 = 136,176.14/x - Step 3: Cross multiply
171,487.64x = 257,138.69 × 136,176.14 - Step 4: Simplify right side
171,487.64x = 35,016,152,282.28 - Step 5: Solve for x
x = 35,016,152,282.28/171,487.64 - Step 6: Final answer
x = 204,190.53
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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.