Finding the Fourth Proportional to 299,483.76, 413,138.46 and 178,539.84
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Solution
The fourth proportional to 299,483.76, 413,138.46 and 178,539.84 is: 246,296.07
Step by Step Solution
- Step 1: Write the proportion equation
299,483.76 : 413,138.46 = 178,539.84 : x - Step 2: Convert to fraction form
299,483.76/413,138.46 = 178,539.84/x - Step 3: Cross multiply
299,483.76x = 413,138.46 × 178,539.84 - Step 4: Simplify right side
299,483.76x = 73,761,674,546.25 - Step 5: Solve for x
x = 73,761,674,546.25/299,483.76 - Step 6: Final answer
x = 246,296.07
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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.