Finding the Fourth Proportional to 276,078.00, 414,126.21 and 76,381.68
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Solution
The fourth proportional to 276,078.00, 414,126.21 and 76,381.68 is: 114,575.06
Step by Step Solution
- Step 1: Write the proportion equation
276,078.00 : 414,126.21 = 76,381.68 : x - Step 2: Convert to fraction form
276,078.00/414,126.21 = 76,381.68/x - Step 3: Cross multiply
276,078.00x = 414,126.21 × 76,381.68 - Step 4: Simplify right side
276,078.00x = 31,631,653,581.20 - Step 5: Solve for x
x = 31,631,653,581.20/276,078.00 - Step 6: Final answer
x = 114,575.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.