Finding the Fourth Proportional to 353,163.60, 529,745.40 and 153,709.20
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Solution
The fourth proportional to 353,163.60, 529,745.40 and 153,709.20 is: 230,563.80
Step by Step Solution
- Step 1: Write the proportion equation
353,163.60 : 529,745.40 = 153,709.20 : x - Step 2: Convert to fraction form
353,163.60/529,745.40 = 153,709.20/x - Step 3: Cross multiply
353,163.60x = 529,745.40 × 153,709.20 - Step 4: Simplify right side
353,163.60x = 81,426,741,637.68 - Step 5: Solve for x
x = 81,426,741,637.68/353,163.60 - Step 6: Final answer
x = 230,563.80
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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.