Finding the Fourth Proportional to 283,380.24, 391,013.28 and 170,204.88
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Solution
The fourth proportional to 283,380.24, 391,013.28 and 170,204.88 is: 234,851.83
Step by Step Solution
- Step 1: Write the proportion equation
283,380.24 : 391,013.28 = 170,204.88 : x - Step 2: Convert to fraction form
283,380.24/391,013.28 = 170,204.88/x - Step 3: Cross multiply
283,380.24x = 391,013.28 × 170,204.88 - Step 4: Simplify right side
283,380.24x = 66,552,368,400.81 - Step 5: Solve for x
x = 66,552,368,400.81/283,380.24 - Step 6: Final answer
x = 234,851.83
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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.