Finding the Fourth Proportional to 513,658.68, 770,472.63 and 198,183.66
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Solution
The fourth proportional to 513,658.68, 770,472.63 and 198,183.66 is: 297,269.55
Step by Step Solution
- Step 1: Write the proportion equation
513,658.68 : 770,472.63 = 198,183.66 : x - Step 2: Convert to fraction form
513,658.68/770,472.63 = 198,183.66/x - Step 3: Cross multiply
513,658.68x = 770,472.63 × 198,183.66 - Step 4: Simplify right side
513,658.68x = 152,695,085,743.23 - Step 5: Solve for x
x = 152,695,085,743.23/513,658.68 - Step 6: Final answer
x = 297,269.55
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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.