Finding the Fourth Proportional to 493,091.62, 739,658.52 and 193,636.99
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Solution
The fourth proportional to 493,091.62, 739,658.52 and 193,636.99 is: 290,463.76
Step by Step Solution
- Step 1: Write the proportion equation
493,091.62 : 739,658.52 = 193,636.99 : x - Step 2: Convert to fraction form
493,091.62/739,658.52 = 193,636.99/x - Step 3: Cross multiply
493,091.62x = 739,658.52 × 193,636.99 - Step 4: Simplify right side
493,091.62x = 143,225,245,742.36 - Step 5: Solve for x
x = 143,225,245,742.36/493,091.62 - Step 6: Final answer
x = 290,463.76
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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.