Finding the Fourth Proportional to 307,562.40, 461,408.40 and 97,221.60
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Solution
The fourth proportional to 307,562.40, 461,408.40 and 97,221.60 is: 145,852.88
Step by Step Solution
- Step 1: Write the proportion equation
307,562.40 : 461,408.40 = 97,221.60 : x - Step 2: Convert to fraction form
307,562.40/461,408.40 = 97,221.60/x - Step 3: Cross multiply
307,562.40x = 461,408.40 × 97,221.60 - Step 4: Simplify right side
307,562.40x = 44,858,862,901.44 - Step 5: Solve for x
x = 44,858,862,901.44/307,562.40 - Step 6: Final answer
x = 145,852.88
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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.