Finding the Fourth Proportional to 381,839.57, 572,788.06 and 115,621.53
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Solution
The fourth proportional to 381,839.57, 572,788.06 and 115,621.53 is: 173,440.98
Step by Step Solution
- Step 1: Write the proportion equation
381,839.57 : 572,788.06 = 115,621.53 : x - Step 2: Convert to fraction form
381,839.57/572,788.06 = 115,621.53/x - Step 3: Cross multiply
381,839.57x = 572,788.06 × 115,621.53 - Step 4: Simplify right side
381,839.57x = 66,226,629,425.92 - Step 5: Solve for x
x = 66,226,629,425.92/381,839.57 - Step 6: Final answer
x = 173,440.98
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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.