Finding the Fourth Proportional to 450,583.60, 621,796.08 and 246,629.56
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Solution
The fourth proportional to 450,583.60, 621,796.08 and 246,629.56 is: 340,343.71
Step by Step Solution
- Step 1: Write the proportion equation
450,583.60 : 621,796.08 = 246,629.56 : x - Step 2: Convert to fraction form
450,583.60/621,796.08 = 246,629.56/x - Step 3: Cross multiply
450,583.60x = 621,796.08 × 246,629.56 - Step 4: Simplify right side
450,583.60x = 153,353,293,620.13 - Step 5: Solve for x
x = 153,353,293,620.13/450,583.60 - Step 6: Final answer
x = 340,343.71
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1.5x scale
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.