Finding the Fourth Proportional to 164,872.68, 247,225.86 and 117,460.68
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Solution
The fourth proportional to 164,872.68, 247,225.86 and 117,460.68 is: 176,131.77
Step by Step Solution
- Step 1: Write the proportion equation
164,872.68 : 247,225.86 = 117,460.68 : x - Step 2: Convert to fraction form
164,872.68/247,225.86 = 117,460.68/x - Step 3: Cross multiply
164,872.68x = 247,225.86 × 117,460.68 - Step 4: Simplify right side
164,872.68x = 29,039,317,629.18 - Step 5: Solve for x
x = 29,039,317,629.18/164,872.68 - Step 6: Final answer
x = 176,131.77
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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.