Finding the Fourth Proportional to 643,862.62, 965,812.20 and 170,548.03
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Solution
The fourth proportional to 643,862.62, 965,812.20 and 170,548.03 is: 255,826.88
Step by Step Solution
- Step 1: Write the proportion equation
643,862.62 : 965,812.20 = 170,548.03 : x - Step 2: Convert to fraction form
643,862.62/965,812.20 = 170,548.03/x - Step 3: Cross multiply
643,862.62x = 965,812.20 × 170,548.03 - Step 4: Simplify right side
643,862.62x = 164,717,368,059.97 - Step 5: Solve for x
x = 164,717,368,059.97/643,862.62 - Step 6: Final answer
x = 255,826.88
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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.