Finding the Fourth Proportional to 871,093.12, 1,306,824.36 and 310,126
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Solution
The fourth proportional to 871,093.12, 1,306,824.36 and 310,126 is: 465,254.75
Step by Step Solution
- Step 1: Write the proportion equation
871,093.12 : 1,306,824.36 = 310,126 : x - Step 2: Convert to fraction form
871,093.12/1,306,824.36 = 310,126/x - Step 3: Cross multiply
871,093.12x = 1,306,824.36 × 310,126 - Step 4: Simplify right side
871,093.12x = 405,280,211,469.36 - Step 5: Solve for x
x = 405,280,211,469.36/871,093.12 - Step 6: Final answer
x = 465,254.75
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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.