Finding the Fourth Proportional to 268,625.70, 403,775.28 and 169,423.38
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Solution
The fourth proportional to 268,625.70, 403,775.28 and 169,423.38 is: 254,662.80
Step by Step Solution
- Step 1: Write the proportion equation
268,625.70 : 403,775.28 = 169,423.38 : x - Step 2: Convert to fraction form
268,625.70/403,775.28 = 169,423.38/x - Step 3: Cross multiply
268,625.70x = 403,775.28 × 169,423.38 - Step 4: Simplify right side
268,625.70x = 68,408,972,698.05 - Step 5: Solve for x
x = 68,408,972,698.05/268,625.70 - Step 6: Final answer
x = 254,662.80
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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.