Finding the Fourth Proportional to 316,176.58, 436,201.50 and 195,107.50
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Solution
The fourth proportional to 316,176.58, 436,201.50 and 195,107.50 is: 269,172.95
Step by Step Solution
- Step 1: Write the proportion equation
316,176.58 : 436,201.50 = 195,107.50 : x - Step 2: Convert to fraction form
316,176.58/436,201.50 = 195,107.50/x - Step 3: Cross multiply
316,176.58x = 436,201.50 × 195,107.50 - Step 4: Simplify right side
316,176.58x = 85,106,184,161.25 - Step 5: Solve for x
x = 85,106,184,161.25/316,176.58 - Step 6: Final answer
x = 269,172.95
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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.