Finding the Fourth Proportional to 328,519.08, 453,371.76 and 185,276.16
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Solution
The fourth proportional to 328,519.08, 453,371.76 and 185,276.16 is: 255,689.80
Step by Step Solution
- Step 1: Write the proportion equation
328,519.08 : 453,371.76 = 185,276.16 : x - Step 2: Convert to fraction form
328,519.08/453,371.76 = 185,276.16/x - Step 3: Cross multiply
328,519.08x = 453,371.76 × 185,276.16 - Step 4: Simplify right side
328,519.08x = 83,998,978,745.24 - Step 5: Solve for x
x = 83,998,978,745.24/328,519.08 - Step 6: Final answer
x = 255,689.80
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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.