Finding the Fourth Proportional to 362,911.84, 544,380.02 and 126,256.48
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Solution
The fourth proportional to 362,911.84, 544,380.02 and 126,256.48 is: 189,388.99
Step by Step Solution
- Step 1: Write the proportion equation
362,911.84 : 544,380.02 = 126,256.48 : x - Step 2: Convert to fraction form
362,911.84/544,380.02 = 126,256.48/x - Step 3: Cross multiply
362,911.84x = 544,380.02 × 126,256.48 - Step 4: Simplify right side
362,911.84x = 68,731,505,107.53 - Step 5: Solve for x
x = 68,731,505,107.53/362,911.84 - Step 6: Final answer
x = 189,388.99
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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.