Finding the Fourth Proportional to 641,952.24, 962,338.68 and 221,128.08
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Solution
The fourth proportional to 641,952.24, 962,338.68 and 221,128.08 is: 331,489.00
Step by Step Solution
- Step 1: Write the proportion equation
641,952.24 : 962,338.68 = 221,128.08 : x - Step 2: Convert to fraction form
641,952.24/962,338.68 = 221,128.08/x - Step 3: Cross multiply
641,952.24x = 962,338.68 × 221,128.08 - Step 4: Simplify right side
641,952.24x = 212,800,104,618.13 - Step 5: Solve for x
x = 212,800,104,618.13/641,952.24 - Step 6: Final answer
x = 331,489.00
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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.