Finding the Fourth Proportional to 450,444.24, 621,613.12 and 246,495.21
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Solution
The fourth proportional to 450,444.24, 621,613.12 and 246,495.21 is: 340,163.42
Step by Step Solution
- Step 1: Write the proportion equation
450,444.24 : 621,613.12 = 246,495.21 : x - Step 2: Convert to fraction form
450,444.24/621,613.12 = 246,495.21/x - Step 3: Cross multiply
450,444.24x = 621,613.12 × 246,495.21 - Step 4: Simplify right side
450,444.24x = 153,224,656,399.10 - Step 5: Solve for x
x = 153,224,656,399.10/450,444.24 - Step 6: Final answer
x = 340,163.42
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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.