Finding the Fourth Proportional to 626,621.16, 939,640.14 and 227,245.80
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Solution
The fourth proportional to 626,621.16, 939,640.14 and 227,245.80 is: 340,762.95
Step by Step Solution
- Step 1: Write the proportion equation
626,621.16 : 939,640.14 = 227,245.80 : x - Step 2: Convert to fraction form
626,621.16/939,640.14 = 227,245.80/x - Step 3: Cross multiply
626,621.16x = 939,640.14 × 227,245.80 - Step 4: Simplify right side
626,621.16x = 213,529,275,326.41 - Step 5: Solve for x
x = 213,529,275,326.41/626,621.16 - Step 6: Final answer
x = 340,762.95
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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.