Finding the Fourth Proportional to 203,349.10, 280,632.10 and 117,276.08
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Solution
The fourth proportional to 203,349.10, 280,632.10 and 117,276.08 is: 161,846.95
Step by Step Solution
- Step 1: Write the proportion equation
203,349.10 : 280,632.10 = 117,276.08 : x - Step 2: Convert to fraction form
203,349.10/280,632.10 = 117,276.08/x - Step 3: Cross multiply
203,349.10x = 280,632.10 × 117,276.08 - Step 4: Simplify right side
203,349.10x = 32,911,432,610.17 - Step 5: Solve for x
x = 32,911,432,610.17/203,349.10 - Step 6: Final answer
x = 161,846.95
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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.