Finding the Fourth Proportional to 268,310.56, 402,660.72 and 216,347.68
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Solution
The fourth proportional to 268,310.56, 402,660.72 and 216,347.68 is: 324,678.66
Step by Step Solution
- Step 1: Write the proportion equation
268,310.56 : 402,660.72 = 216,347.68 : x - Step 2: Convert to fraction form
268,310.56/402,660.72 = 216,347.68/x - Step 3: Cross multiply
268,310.56x = 402,660.72 × 216,347.68 - Step 4: Simplify right side
268,310.56x = 87,114,712,599.13 - Step 5: Solve for x
x = 87,114,712,599.13/268,310.56 - Step 6: Final answer
x = 324,678.66
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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.