Finding the Fourth Proportional to 185,610.39, 278,415.57 and 67,281.84
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Solution
The fourth proportional to 185,610.39, 278,415.57 and 67,281.84 is: 100,922.75
Step by Step Solution
- Step 1: Write the proportion equation
185,610.39 : 278,415.57 = 67,281.84 : x - Step 2: Convert to fraction form
185,610.39/278,415.57 = 67,281.84/x - Step 3: Cross multiply
185,610.39x = 278,415.57 × 67,281.84 - Step 4: Simplify right side
185,610.39x = 18,732,311,834.25 - Step 5: Solve for x
x = 18,732,311,834.25/185,610.39 - Step 6: Final answer
x = 100,922.75
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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.