Finding the Fourth Proportional to 307,597.20, 461,309.40 and 97,299.60
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Solution
The fourth proportional to 307,597.20, 461,309.40 and 97,299.60 is: 145,922.07
Step by Step Solution
- Step 1: Write the proportion equation
307,597.20 : 461,309.40 = 97,299.60 : x - Step 2: Convert to fraction form
307,597.20/461,309.40 = 97,299.60/x - Step 3: Cross multiply
307,597.20x = 461,309.40 × 97,299.60 - Step 4: Simplify right side
307,597.20x = 44,885,220,096.24 - Step 5: Solve for x
x = 44,885,220,096.24/307,597.20 - Step 6: Final answer
x = 145,922.07
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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.