Finding the Fourth Proportional to 499,022.98, 688,650.93 and 284,163.12
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Solution
The fourth proportional to 499,022.98, 688,650.93 and 284,163.12 is: 392,144.66
Step by Step Solution
- Step 1: Write the proportion equation
499,022.98 : 688,650.93 = 284,163.12 : x - Step 2: Convert to fraction form
499,022.98/688,650.93 = 284,163.12/x - Step 3: Cross multiply
499,022.98x = 688,650.93 × 284,163.12 - Step 4: Simplify right side
499,022.98x = 195,689,196,859.70 - Step 5: Solve for x
x = 195,689,196,859.70/499,022.98 - Step 6: Final answer
x = 392,144.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.