Finding the Fourth Proportional to 338,874.84, 508,296.87 and 149,284.49
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Solution
The fourth proportional to 338,874.84, 508,296.87 and 149,284.49 is: 223,919.95
Step by Step Solution
- Step 1: Write the proportion equation
338,874.84 : 508,296.87 = 149,284.49 : x - Step 2: Convert to fraction form
338,874.84/508,296.87 = 149,284.49/x - Step 3: Cross multiply
338,874.84x = 508,296.87 × 149,284.49 - Step 4: Simplify right side
338,874.84x = 75,880,836,465.06 - Step 5: Solve for x
x = 75,880,836,465.06/338,874.84 - Step 6: Final answer
x = 223,919.95
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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.