Finding the Fourth Proportional to 276,281.14, 414,421.73 and 76,601.53
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Solution
The fourth proportional to 276,281.14, 414,421.73 and 76,601.53 is: 114,902.31
Step by Step Solution
- Step 1: Write the proportion equation
276,281.14 : 414,421.73 = 76,601.53 : x - Step 2: Convert to fraction form
276,281.14/414,421.73 = 76,601.53/x - Step 3: Cross multiply
276,281.14x = 414,421.73 × 76,601.53 - Step 4: Simplify right side
276,281.14x = 31,745,340,213.45 - Step 5: Solve for x
x = 31,745,340,213.45/276,281.14 - Step 6: Final answer
x = 114,902.31
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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.