Finding the Fourth Proportional to 203,235.30, 280,461.69 and 112,591.08
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Solution
The fourth proportional to 203,235.30, 280,461.69 and 112,591.08 is: 155,374.02
Step by Step Solution
- Step 1: Write the proportion equation
203,235.30 : 280,461.69 = 112,591.08 : x - Step 2: Convert to fraction form
203,235.30/280,461.69 = 112,591.08/x - Step 3: Cross multiply
203,235.30x = 280,461.69 × 112,591.08 - Step 4: Simplify right side
203,235.30x = 31,577,484,575.73 - Step 5: Solve for x
x = 31,577,484,575.73/203,235.30 - Step 6: Final answer
x = 155,374.02
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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.