Finding the Fourth Proportional to 328,438.52, 453,239.12 and 185,198.68
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Solution
The fourth proportional to 328,438.52, 453,239.12 and 185,198.68 is: 255,570.77
Step by Step Solution
- Step 1: Write the proportion equation
328,438.52 : 453,239.12 = 185,198.68 : x - Step 2: Convert to fraction form
328,438.52/453,239.12 = 185,198.68/x - Step 3: Cross multiply
328,438.52x = 453,239.12 × 185,198.68 - Step 4: Simplify right side
328,438.52x = 83,939,284,689.27 - Step 5: Solve for x
x = 83,939,284,689.27/328,438.52 - Step 6: Final answer
x = 255,570.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.