Finding the Fourth Proportional to 171,369.07, 236,455.71 and 107,669.96
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Solution
The fourth proportional to 171,369.07, 236,455.71 and 107,669.96 is: 148,563.43
Step by Step Solution
- Step 1: Write the proportion equation
171,369.07 : 236,455.71 = 107,669.96 : x - Step 2: Convert to fraction form
171,369.07/236,455.71 = 107,669.96/x - Step 3: Cross multiply
171,369.07x = 236,455.71 × 107,669.96 - Step 4: Simplify right side
171,369.07x = 25,459,176,138.14 - Step 5: Solve for x
x = 25,459,176,138.14/171,369.07 - Step 6: Final answer
x = 148,563.43
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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.