Finding the Fourth Proportional to 643,916.04, 965,655.34 and 223,093.68
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Solution
The fourth proportional to 643,916.04, 965,655.34 and 223,093.68 is: 334,564.74
Step by Step Solution
- Step 1: Write the proportion equation
643,916.04 : 965,655.34 = 223,093.68 : x - Step 2: Convert to fraction form
643,916.04/965,655.34 = 223,093.68/x - Step 3: Cross multiply
643,916.04x = 965,655.34 × 223,093.68 - Step 4: Simplify right side
643,916.04x = 215,431,603,412.25 - Step 5: Solve for x
x = 215,431,603,412.25/643,916.04 - Step 6: Final answer
x = 334,564.74
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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.