Finding the Fourth Proportional to 326,974.10, 490,774.35 and 169,315.70
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Solution
The fourth proportional to 326,974.10, 490,774.35 and 169,315.70 is: 254,135.73
Step by Step Solution
- Step 1: Write the proportion equation
326,974.10 : 490,774.35 = 169,315.70 : x - Step 2: Convert to fraction form
326,974.10/490,774.35 = 169,315.70/x - Step 3: Cross multiply
326,974.10x = 490,774.35 × 169,315.70 - Step 4: Simplify right side
326,974.10x = 83,095,802,612.30 - Step 5: Solve for x
x = 83,095,802,612.30/326,974.10 - Step 6: Final answer
x = 254,135.73
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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.