Finding the Fourth Proportional to 409,321.44, 613,968.26 and 125,000.48
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Solution
The fourth proportional to 409,321.44, 613,968.26 and 125,000.48 is: 187,496.48
Step by Step Solution
- Step 1: Write the proportion equation
409,321.44 : 613,968.26 = 125,000.48 : x - Step 2: Convert to fraction form
409,321.44/613,968.26 = 125,000.48/x - Step 3: Cross multiply
409,321.44x = 613,968.26 × 125,000.48 - Step 4: Simplify right side
409,321.44x = 76,746,327,204.76 - Step 5: Solve for x
x = 76,746,327,204.76/409,321.44 - Step 6: Final answer
x = 187,496.48
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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.