Finding the Fourth Proportional to 288,808.08, 433,027.76 and 138,749.84
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Solution
The fourth proportional to 288,808.08, 433,027.76 and 138,749.84 is: 208,036.19
Step by Step Solution
- Step 1: Write the proportion equation
288,808.08 : 433,027.76 = 138,749.84 : x - Step 2: Convert to fraction form
288,808.08/433,027.76 = 138,749.84/x - Step 3: Cross multiply
288,808.08x = 433,027.76 × 138,749.84 - Step 4: Simplify right side
288,808.08x = 60,082,532,415.56 - Step 5: Solve for x
x = 60,082,532,415.56/288,808.08 - Step 6: Final answer
x = 208,036.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.