Finding the Fourth Proportional to 256,770.24, 383,449.24 and 253,990.08
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Solution
The fourth proportional to 256,770.24, 383,449.24 and 253,990.08 is: 379,297.47
Step by Step Solution
- Step 1: Write the proportion equation
256,770.24 : 383,449.24 = 253,990.08 : x - Step 2: Convert to fraction form
256,770.24/383,449.24 = 253,990.08/x - Step 3: Cross multiply
256,770.24x = 383,449.24 × 253,990.08 - Step 4: Simplify right side
256,770.24x = 97,392,303,143.54 - Step 5: Solve for x
x = 97,392,303,143.54/256,770.24 - Step 6: Final answer
x = 379,297.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.