Finding the Fourth Proportional to 648,163.15, 971,695.71 and 268,847.14
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Solution
The fourth proportional to 648,163.15, 971,695.71 and 268,847.14 is: 403,042.99
Step by Step Solution
- Step 1: Write the proportion equation
648,163.15 : 971,695.71 = 268,847.14 : x - Step 2: Convert to fraction form
648,163.15/971,695.71 = 268,847.14/x - Step 3: Cross multiply
648,163.15x = 971,695.71 × 268,847.14 - Step 4: Simplify right side
648,163.15x = 261,237,612,583.77 - Step 5: Solve for x
x = 261,237,612,583.77/648,163.15 - Step 6: Final answer
x = 403,042.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.