Finding the Fourth Proportional to 499,415.42, 689,193.28 and 273,060.92
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Solution
The fourth proportional to 499,415.42, 689,193.28 and 273,060.92 is: 376,824.07
Step by Step Solution
- Step 1: Write the proportion equation
499,415.42 : 689,193.28 = 273,060.92 : x - Step 2: Convert to fraction form
499,415.42/689,193.28 = 273,060.92/x - Step 3: Cross multiply
499,415.42x = 689,193.28 × 273,060.92 - Step 4: Simplify right side
499,415.42x = 188,191,751,094.62 - Step 5: Solve for x
x = 188,191,751,094.62/499,415.42 - Step 6: Final answer
x = 376,824.07
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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.