Finding the Fourth Proportional to 203,235.90, 280,449.08 and 112,595.69
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Solution
The fourth proportional to 203,235.90, 280,449.08 and 112,595.69 is: 155,372.92
Step by Step Solution
- Step 1: Write the proportion equation
203,235.90 : 280,449.08 = 112,595.69 : x - Step 2: Convert to fraction form
203,235.90/280,449.08 = 112,595.69/x - Step 3: Cross multiply
203,235.90x = 280,449.08 × 112,595.69 - Step 4: Simplify right side
203,235.90x = 31,577,355,707.24 - Step 5: Solve for x
x = 31,577,355,707.24/203,235.90 - Step 6: Final answer
x = 155,372.92
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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.