Finding the Fourth Proportional to 754,524.38, 1,131,899.12 and 249,138.75
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Solution
The fourth proportional to 754,524.38, 1,131,899.12 and 249,138.75 is: 373,745.29
Step by Step Solution
- Step 1: Write the proportion equation
754,524.38 : 1,131,899.12 = 249,138.75 : x - Step 2: Convert to fraction form
754,524.38/1,131,899.12 = 249,138.75/x - Step 3: Cross multiply
754,524.38x = 1,131,899.12 × 249,138.75 - Step 4: Simplify right side
754,524.38x = 281,999,930,637.21 - Step 5: Solve for x
x = 281,999,930,637.21/754,524.38 - Step 6: Final answer
x = 373,745.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.