Finding the Fourth Proportional to 292,760.10, 403,847.53 and 202,163.63
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Solution
The fourth proportional to 292,760.10, 403,847.53 and 202,163.63 is: 278,874.34
Step by Step Solution
- Step 1: Write the proportion equation
292,760.10 : 403,847.53 = 202,163.63 : x - Step 2: Convert to fraction form
292,760.10/403,847.53 = 202,163.63/x - Step 3: Cross multiply
292,760.10x = 403,847.53 × 202,163.63 - Step 4: Simplify right side
292,760.10x = 81,643,280,106.69 - Step 5: Solve for x
x = 81,643,280,106.69/292,760.10 - Step 6: Final answer
x = 278,874.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.