Finding the Fourth Proportional to 499,198.58, 688,883.90 and 272,845.70
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Solution
The fourth proportional to 499,198.58, 688,883.90 and 272,845.70 is: 376,521.52
Step by Step Solution
- Step 1: Write the proportion equation
499,198.58 : 688,883.90 = 272,845.70 : x - Step 2: Convert to fraction form
499,198.58/688,883.90 = 272,845.70/x - Step 3: Cross multiply
499,198.58x = 688,883.90 × 272,845.70 - Step 4: Simplify right side
499,198.58x = 187,959,009,914.23 - Step 5: Solve for x
x = 187,959,009,914.23/499,198.58 - Step 6: Final answer
x = 376,521.52
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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.