Finding the Fourth Proportional to 276,900.76, 415,351.09 and 66,538.70
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Solution
The fourth proportional to 276,900.76, 415,351.09 and 66,538.70 is: 99,808.03
Step by Step Solution
- Step 1: Write the proportion equation
276,900.76 : 415,351.09 = 66,538.70 : x - Step 2: Convert to fraction form
276,900.76/415,351.09 = 66,538.70/x - Step 3: Cross multiply
276,900.76x = 415,351.09 × 66,538.70 - Step 4: Simplify right side
276,900.76x = 27,636,919,495.43 - Step 5: Solve for x
x = 27,636,919,495.43/276,900.76 - Step 6: Final answer
x = 99,808.03
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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.