Finding the Fourth Proportional to 543,827.80, 815,422.56 and 164,634.40
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Solution
The fourth proportional to 543,827.80, 815,422.56 and 164,634.40 is: 246,854.99
Step by Step Solution
- Step 1: Write the proportion equation
543,827.80 : 815,422.56 = 164,634.40 : x - Step 2: Convert to fraction form
543,827.80/815,422.56 = 164,634.40/x - Step 3: Cross multiply
543,827.80x = 815,422.56 × 164,634.40 - Step 4: Simplify right side
543,827.80x = 134,246,603,912.06 - Step 5: Solve for x
x = 134,246,603,912.06/543,827.80 - Step 6: Final answer
x = 246,854.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.