Finding the Fourth Proportional to 313,915.42, 471,169.05 and 114,428.62
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Solution
The fourth proportional to 313,915.42, 471,169.05 and 114,428.62 is: 171,750.80
Step by Step Solution
- Step 1: Write the proportion equation
313,915.42 : 471,169.05 = 114,428.62 : x - Step 2: Convert to fraction form
313,915.42/471,169.05 = 114,428.62/x - Step 3: Cross multiply
313,915.42x = 471,169.05 × 114,428.62 - Step 4: Simplify right side
313,915.42x = 53,915,224,178.21 - Step 5: Solve for x
x = 53,915,224,178.21/313,915.42 - Step 6: Final answer
x = 171,750.80
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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.