Finding the Fourth Proportional to 628,391.44, 942,445.14 and 179,102.62
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Solution
The fourth proportional to 628,391.44, 942,445.14 and 179,102.62 is: 268,613.45
Step by Step Solution
- Step 1: Write the proportion equation
628,391.44 : 942,445.14 = 179,102.62 : x - Step 2: Convert to fraction form
628,391.44/942,445.14 = 179,102.62/x - Step 3: Cross multiply
628,391.44x = 942,445.14 × 179,102.62 - Step 4: Simplify right side
628,391.44x = 168,794,393,780.27 - Step 5: Solve for x
x = 168,794,393,780.27/628,391.44 - Step 6: Final answer
x = 268,613.45
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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.