Finding the Fourth Proportional to 450,464.12, 621,640.29 and 246,515.03
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Solution
The fourth proportional to 450,464.12, 621,640.29 and 246,515.03 is: 340,190.63
Step by Step Solution
- Step 1: Write the proportion equation
450,464.12 : 621,640.29 = 246,515.03 : x - Step 2: Convert to fraction form
450,464.12/621,640.29 = 246,515.03/x - Step 3: Cross multiply
450,464.12x = 621,640.29 × 246,515.03 - Step 4: Simplify right side
450,464.12x = 153,243,671,630.36 - Step 5: Solve for x
x = 153,243,671,630.36/450,464.12 - Step 6: Final answer
x = 340,190.63
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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.