Finding the Fourth Proportional to 395,938.71, 546,266.97 and 223,840.08
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Solution
The fourth proportional to 395,938.71, 546,266.97 and 223,840.08 is: 308,826.69
Step by Step Solution
- Step 1: Write the proportion equation
395,938.71 : 546,266.97 = 223,840.08 : x - Step 2: Convert to fraction form
395,938.71/546,266.97 = 223,840.08/x - Step 3: Cross multiply
395,938.71x = 546,266.97 × 223,840.08 - Step 4: Simplify right side
395,938.71x = 122,276,442,266.16 - Step 5: Solve for x
x = 122,276,442,266.16/395,938.71 - Step 6: Final answer
x = 308,826.69
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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.