Finding the Fourth Proportional to 397,235.33, 547,670.22 and 257,284.94
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Solution
The fourth proportional to 397,235.33, 547,670.22 and 257,284.94 is: 354,719.95
Step by Step Solution
- Step 1: Write the proportion equation
397,235.33 : 547,670.22 = 257,284.94 : x - Step 2: Convert to fraction form
397,235.33/547,670.22 = 257,284.94/x - Step 3: Cross multiply
397,235.33x = 547,670.22 × 257,284.94 - Step 4: Simplify right side
397,235.33x = 140,907,296,954.14 - Step 5: Solve for x
x = 140,907,296,954.14/397,235.33 - Step 6: Final answer
x = 354,719.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.