Finding the Fourth Proportional to 276,822.65, 415,278.70 and 116,922.62
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Solution
The fourth proportional to 276,822.65, 415,278.70 and 116,922.62 is: 175,402.82
Step by Step Solution
- Step 1: Write the proportion equation
276,822.65 : 415,278.70 = 116,922.62 : x - Step 2: Convert to fraction form
276,822.65/415,278.70 = 116,922.62/x - Step 3: Cross multiply
276,822.65x = 415,278.70 × 116,922.62 - Step 4: Simplify right side
276,822.65x = 48,555,474,380.08 - Step 5: Solve for x
x = 48,555,474,380.08/276,822.65 - Step 6: Final answer
x = 175,402.82
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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.