Finding the Fourth Proportional to 450,736.97, 621,993.34 and 246,748.80
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Solution
The fourth proportional to 450,736.97, 621,993.34 and 246,748.80 is: 340,500.38
Step by Step Solution
- Step 1: Write the proportion equation
450,736.97 : 621,993.34 = 246,748.80 : x - Step 2: Convert to fraction form
450,736.97/621,993.34 = 246,748.80/x - Step 3: Cross multiply
450,736.97x = 621,993.34 × 246,748.80 - Step 4: Simplify right side
450,736.97x = 153,476,106,526.15 - Step 5: Solve for x
x = 153,476,106,526.15/450,736.97 - Step 6: Final answer
x = 340,500.38
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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.