Finding the Fourth Proportional to 250,163.20, 345,224.64 and 136,984.96
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Solution
The fourth proportional to 250,163.20, 345,224.64 and 136,984.96 is: 189,038.93
Step by Step Solution
- Step 1: Write the proportion equation
250,163.20 : 345,224.64 = 136,984.96 : x - Step 2: Convert to fraction form
250,163.20/345,224.64 = 136,984.96/x - Step 3: Cross multiply
250,163.20x = 345,224.64 × 136,984.96 - Step 4: Simplify right side
250,163.20x = 47,290,583,501.41 - Step 5: Solve for x
x = 47,290,583,501.41/250,163.20 - Step 6: Final answer
x = 189,038.93
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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.