Finding the Fourth Proportional to 278,491.84, 417,716.99 and 88,972.23
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Solution
The fourth proportional to 278,491.84, 417,716.99 and 88,972.23 is: 133,451.70
Step by Step Solution
- Step 1: Write the proportion equation
278,491.84 : 417,716.99 = 88,972.23 : x - Step 2: Convert to fraction form
278,491.84/417,716.99 = 88,972.23/x - Step 3: Cross multiply
278,491.84x = 417,716.99 × 88,972.23 - Step 4: Simplify right side
278,491.84x = 37,165,210,020.60 - Step 5: Solve for x
x = 37,165,210,020.60/278,491.84 - Step 6: Final answer
x = 133,451.70
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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.