Finding the Fourth Proportional to 115,572.40, 173,358.60 and 97,857.70
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Solution
The fourth proportional to 115,572.40, 173,358.60 and 97,857.70 is: 146,786.55
Step by Step Solution
- Step 1: Write the proportion equation
115,572.40 : 173,358.60 = 97,857.70 : x - Step 2: Convert to fraction form
115,572.40/173,358.60 = 97,857.70/x - Step 3: Cross multiply
115,572.40x = 173,358.60 × 97,857.70 - Step 4: Simplify right side
115,572.40x = 16,964,473,871.22 - Step 5: Solve for x
x = 16,964,473,871.22/115,572.40 - Step 6: Final answer
x = 146,786.55
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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.