Finding the Fourth Proportional to 159,894.41, 239,992.31 and 117,645.68
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Solution
The fourth proportional to 159,894.41, 239,992.31 and 117,645.68 is: 176,579.39
Step by Step Solution
- Step 1: Write the proportion equation
159,894.41 : 239,992.31 = 117,645.68 : x - Step 2: Convert to fraction form
159,894.41/239,992.31 = 117,645.68/x - Step 3: Cross multiply
159,894.41x = 239,992.31 × 117,645.68 - Step 4: Simplify right side
159,894.41x = 28,234,056,716.53 - Step 5: Solve for x
x = 28,234,056,716.53/159,894.41 - Step 6: Final answer
x = 176,579.39
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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.