Finding the Fourth Proportional to 643,854.44, 965,953.42 and 223,129.96
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Solution
The fourth proportional to 643,854.44, 965,953.42 and 223,129.96 is: 334,754.46
Step by Step Solution
- Step 1: Write the proportion equation
643,854.44 : 965,953.42 = 223,129.96 : x - Step 2: Convert to fraction form
643,854.44/965,953.42 = 223,129.96/x - Step 3: Cross multiply
643,854.44x = 965,953.42 × 223,129.96 - Step 4: Simplify right side
643,854.44x = 215,533,147,966.46 - Step 5: Solve for x
x = 215,533,147,966.46/643,854.44 - Step 6: Final answer
x = 334,754.46
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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.