Finding the Fourth Proportional to 171,611.36, 235,560.84 and 152,326.88
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Solution
The fourth proportional to 171,611.36, 235,560.84 and 152,326.88 is: 209,090.17
Step by Step Solution
- Step 1: Write the proportion equation
171,611.36 : 235,560.84 = 152,326.88 : x - Step 2: Convert to fraction form
171,611.36/235,560.84 = 152,326.88/x - Step 3: Cross multiply
171,611.36x = 235,560.84 × 152,326.88 - Step 4: Simplify right side
171,611.36x = 35,882,247,807.38 - Step 5: Solve for x
x = 35,882,247,807.38/171,611.36 - Step 6: Final answer
x = 209,090.17
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.