Finding the Fourth Proportional to 176,738.90, 264,719.55 and 157,039.70
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Solution
The fourth proportional to 176,738.90, 264,719.55 and 157,039.70 is: 235,214.09
Step by Step Solution
- Step 1: Write the proportion equation
176,738.90 : 264,719.55 = 157,039.70 : x - Step 2: Convert to fraction form
176,738.90/264,719.55 = 157,039.70/x - Step 3: Cross multiply
176,738.90x = 264,719.55 × 157,039.70 - Step 4: Simplify right side
176,738.90x = 41,571,478,716.14 - Step 5: Solve for x
x = 41,571,478,716.14/176,738.90 - Step 6: Final answer
x = 235,214.09
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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.