Finding the Fourth Proportional to 371,115.60, 556,543.80 and 193,563.60
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Solution
The fourth proportional to 371,115.60, 556,543.80 and 193,563.60 is: 290,277.80
Step by Step Solution
- Step 1: Write the proportion equation
371,115.60 : 556,543.80 = 193,563.60 : x - Step 2: Convert to fraction form
371,115.60/556,543.80 = 193,563.60/x - Step 3: Cross multiply
371,115.60x = 556,543.80 × 193,563.60 - Step 4: Simplify right side
371,115.60x = 107,726,621,485.68 - Step 5: Solve for x
x = 107,726,621,485.68/371,115.60 - Step 6: Final answer
x = 290,277.80
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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.