Finding the Fourth Proportional to 307,538.40, 461,372.40 and 97,197.60
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Solution
The fourth proportional to 307,538.40, 461,372.40 and 97,197.60 is: 145,816.88
Step by Step Solution
- Step 1: Write the proportion equation
307,538.40 : 461,372.40 = 97,197.60 : x - Step 2: Convert to fraction form
307,538.40/461,372.40 = 97,197.60/x - Step 3: Cross multiply
307,538.40x = 461,372.40 × 97,197.60 - Step 4: Simplify right side
307,538.40x = 44,844,289,986.24 - Step 5: Solve for x
x = 44,844,289,986.24/307,538.40 - Step 6: Final answer
x = 145,816.88
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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.