Finding the Fourth Proportional to 203,165.88, 280,444.14 and 122,596.80
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Solution
The fourth proportional to 203,165.88, 280,444.14 and 122,596.80 is: 169,228.98
Step by Step Solution
- Step 1: Write the proportion equation
203,165.88 : 280,444.14 = 122,596.80 : x - Step 2: Convert to fraction form
203,165.88/280,444.14 = 122,596.80/x - Step 3: Cross multiply
203,165.88x = 280,444.14 × 122,596.80 - Step 4: Simplify right side
203,165.88x = 34,381,554,142.75 - Step 5: Solve for x
x = 34,381,554,142.75/203,165.88 - Step 6: Final answer
x = 169,228.98
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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.