Finding the Fourth Proportional to 338,853.95, 508,284.57 and 102,198.68
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Solution
The fourth proportional to 338,853.95, 508,284.57 and 102,198.68 is: 153,299.12
Step by Step Solution
- Step 1: Write the proportion equation
338,853.95 : 508,284.57 = 102,198.68 : x - Step 2: Convert to fraction form
338,853.95/508,284.57 = 102,198.68/x - Step 3: Cross multiply
338,853.95x = 508,284.57 × 102,198.68 - Step 4: Simplify right side
338,853.95x = 51,946,013,644.58 - Step 5: Solve for x
x = 51,946,013,644.58/338,853.95 - Step 6: Final answer
x = 153,299.12
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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.