Finding the Fourth Proportional to 450,629.84, 621,859.56 and 246,675.44
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Solution
The fourth proportional to 450,629.84, 621,859.56 and 246,675.44 is: 340,406.84
Step by Step Solution
- Step 1: Write the proportion equation
450,629.84 : 621,859.56 = 246,675.44 : x - Step 2: Convert to fraction form
450,629.84/621,859.56 = 246,675.44/x - Step 3: Cross multiply
450,629.84x = 621,859.56 × 246,675.44 - Step 4: Simplify right side
450,629.84x = 153,397,480,581.21 - Step 5: Solve for x
x = 153,397,480,581.21/450,629.84 - Step 6: Final answer
x = 340,406.84
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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.