Finding the Fourth Proportional to 115,485.70, 173,228.55 and 102,583.30
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Solution
The fourth proportional to 115,485.70, 173,228.55 and 102,583.30 is: 153,874.95
Step by Step Solution
- Step 1: Write the proportion equation
115,485.70 : 173,228.55 = 102,583.30 : x - Step 2: Convert to fraction form
115,485.70/173,228.55 = 102,583.30/x - Step 3: Cross multiply
115,485.70x = 173,228.55 × 102,583.30 - Step 4: Simplify right side
115,485.70x = 17,770,356,313.22 - Step 5: Solve for x
x = 17,770,356,313.22/115,485.70 - Step 6: Final answer
x = 153,874.95
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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.