Finding the Fourth Proportional to 643,861.62, 965,810.70 and 170,547.03
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Solution
The fourth proportional to 643,861.62, 965,810.70 and 170,547.03 is: 255,825.38
Step by Step Solution
- Step 1: Write the proportion equation
643,861.62 : 965,810.70 = 170,547.03 : x - Step 2: Convert to fraction form
643,861.62/965,810.70 = 170,547.03/x - Step 3: Cross multiply
643,861.62x = 965,810.70 × 170,547.03 - Step 4: Simplify right side
643,861.62x = 164,716,146,427.22 - Step 5: Solve for x
x = 164,716,146,427.22/643,861.62 - Step 6: Final answer
x = 255,825.38
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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.