Finding the Fourth Proportional to 239,603.09, 330,652.28 and 132,173.39
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Solution
The fourth proportional to 239,603.09, 330,652.28 and 132,173.39 is: 182,399.28
Step by Step Solution
- Step 1: Write the proportion equation
239,603.09 : 330,652.28 = 132,173.39 : x - Step 2: Convert to fraction form
239,603.09/330,652.28 = 132,173.39/x - Step 3: Cross multiply
239,603.09x = 330,652.28 × 132,173.39 - Step 4: Simplify right side
239,603.09x = 43,703,430,444.70 - Step 5: Solve for x
x = 43,703,430,444.70/239,603.09 - Step 6: Final answer
x = 182,399.28
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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.