Finding the Fourth Proportional to 499,445.44, 689,237.76 and 273,091.84
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Solution
The fourth proportional to 499,445.44, 689,237.76 and 273,091.84 is: 376,868.41
Step by Step Solution
- Step 1: Write the proportion equation
499,445.44 : 689,237.76 = 273,091.84 : x - Step 2: Convert to fraction form
499,445.44/689,237.76 = 273,091.84/x - Step 3: Cross multiply
499,445.44x = 689,237.76 × 273,091.84 - Step 4: Simplify right side
499,445.44x = 188,225,208,075.88 - Step 5: Solve for x
x = 188,225,208,075.88/499,445.44 - Step 6: Final answer
x = 376,868.41
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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.