Finding the Fourth Proportional to 446,542.80, 668,629.44 and 268,805.76
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Solution
The fourth proportional to 446,542.80, 668,629.44 and 268,805.76 is: 402,495.45
Step by Step Solution
- Step 1: Write the proportion equation
446,542.80 : 668,629.44 = 268,805.76 : x - Step 2: Convert to fraction form
446,542.80/668,629.44 = 268,805.76/x - Step 3: Cross multiply
446,542.80x = 668,629.44 × 268,805.76 - Step 4: Simplify right side
446,542.80x = 179,731,444,777.57 - Step 5: Solve for x
x = 179,731,444,777.57/446,542.80 - Step 6: Final answer
x = 402,495.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.