Finding the Fourth Proportional to 381,013.15, 571,862.36 and 203,671.75
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Solution
The fourth proportional to 381,013.15, 571,862.36 and 203,671.75 is: 305,690.78
Step by Step Solution
- Step 1: Write the proportion equation
381,013.15 : 571,862.36 = 203,671.75 : x - Step 2: Convert to fraction form
381,013.15/571,862.36 = 203,671.75/x - Step 3: Cross multiply
381,013.15x = 571,862.36 × 203,671.75 - Step 4: Simplify right side
381,013.15x = 116,472,207,620.33 - Step 5: Solve for x
x = 116,472,207,620.33/381,013.15 - Step 6: Final answer
x = 305,690.78
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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.