Finding the Fourth Proportional to 351,163.60, 526,745.40 and 322,133.20
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Solution
The fourth proportional to 351,163.60, 526,745.40 and 322,133.20 is: 483,199.80
Step by Step Solution
- Step 1: Write the proportion equation
351,163.60 : 526,745.40 = 322,133.20 : x - Step 2: Convert to fraction form
351,163.60/526,745.40 = 322,133.20/x - Step 3: Cross multiply
351,163.60x = 526,745.40 × 322,133.20 - Step 4: Simplify right side
351,163.60x = 169,682,181,287.28 - Step 5: Solve for x
x = 169,682,181,287.28/351,163.60 - Step 6: Final answer
x = 483,199.80
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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.