Finding the Fourth Proportional to 291,251.80, 436,877.70 and 104,195.80
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Solution
The fourth proportional to 291,251.80, 436,877.70 and 104,195.80 is: 156,293.70
Step by Step Solution
- Step 1: Write the proportion equation
291,251.80 : 436,877.70 = 104,195.80 : x - Step 2: Convert to fraction form
291,251.80/436,877.70 = 104,195.80/x - Step 3: Cross multiply
291,251.80x = 436,877.70 × 104,195.80 - Step 4: Simplify right side
291,251.80x = 45,520,821,453.66 - Step 5: Solve for x
x = 45,520,821,453.66/291,251.80 - Step 6: Final answer
x = 156,293.70
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1.5x scale
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.