Finding the Fourth Proportional to 150,435.77, 207,611.03 and 83,372.09
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Solution
The fourth proportional to 150,435.77, 207,611.03 and 83,372.09 is: 115,058.84
Step by Step Solution
- Step 1: Write the proportion equation
150,435.77 : 207,611.03 = 83,372.09 : x - Step 2: Convert to fraction form
150,435.77/207,611.03 = 83,372.09/x - Step 3: Cross multiply
150,435.77x = 207,611.03 × 83,372.09 - Step 4: Simplify right side
150,435.77x = 17,308,965,478.15 - Step 5: Solve for x
x = 17,308,965,478.15/150,435.77 - Step 6: Final answer
x = 115,058.84
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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.