Finding the Fourth Proportional to 450,609.06, 621,841.11 and 280,843.19
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Solution
The fourth proportional to 450,609.06, 621,841.11 and 280,843.19 is: 387,563.98
Step by Step Solution
- Step 1: Write the proportion equation
450,609.06 : 621,841.11 = 280,843.19 : x - Step 2: Convert to fraction form
450,609.06/621,841.11 = 280,843.19/x - Step 3: Cross multiply
450,609.06x = 621,841.11 × 280,843.19 - Step 4: Simplify right side
450,609.06x = 174,639,841,005.54 - Step 5: Solve for x
x = 174,639,841,005.54/450,609.06 - Step 6: Final answer
x = 387,563.98
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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.