Finding the Fourth Proportional to 115,562.40, 173,343.60 and 97,847.70
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Solution
The fourth proportional to 115,562.40, 173,343.60 and 97,847.70 is: 146,771.55
Step by Step Solution
- Step 1: Write the proportion equation
115,562.40 : 173,343.60 = 97,847.70 : x - Step 2: Convert to fraction form
115,562.40/173,343.60 = 97,847.70/x - Step 3: Cross multiply
115,562.40x = 173,343.60 × 97,847.70 - Step 4: Simplify right side
115,562.40x = 16,961,272,569.72 - Step 5: Solve for x
x = 16,961,272,569.72/115,562.40 - Step 6: Final answer
x = 146,771.55
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1.5x scale
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.