Finding the Fourth Proportional to 643,873.62, 965,828.70 and 170,559.06
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Solution
The fourth proportional to 643,873.62, 965,828.70 and 170,559.06 is: 255,843.43
Step by Step Solution
- Step 1: Write the proportion equation
643,873.62 : 965,828.70 = 170,559.06 : x - Step 2: Convert to fraction form
643,873.62/965,828.70 = 170,559.06/x - Step 3: Cross multiply
643,873.62x = 965,828.70 × 170,559.06 - Step 4: Simplify right side
643,873.62x = 164,730,835,193.02 - Step 5: Solve for x
x = 164,730,835,193.02/643,873.62 - Step 6: Final answer
x = 255,843.43
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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.