Finding the Fourth Proportional to 450,403.99, 621,552.22 and 246,452.58
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Solution
The fourth proportional to 450,403.99, 621,552.22 and 246,452.58 is: 340,101.67
Step by Step Solution
- Step 1: Write the proportion equation
450,403.99 : 621,552.22 = 246,452.58 : x - Step 2: Convert to fraction form
450,403.99/621,552.22 = 246,452.58/x - Step 3: Cross multiply
450,403.99x = 621,552.22 × 246,452.58 - Step 4: Simplify right side
450,403.99x = 153,183,147,607.60 - Step 5: Solve for x
x = 153,183,147,607.60/450,403.99 - Step 6: Final answer
x = 340,101.67
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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.