Finding the Fourth Proportional to 115,630.76, 173,475.99 and 35,666.92
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Solution
The fourth proportional to 115,630.76, 173,475.99 and 35,666.92 is: 53,509.59
Step by Step Solution
- Step 1: Write the proportion equation
115,630.76 : 173,475.99 = 35,666.92 : x - Step 2: Convert to fraction form
115,630.76/173,475.99 = 35,666.92/x - Step 3: Cross multiply
115,630.76x = 173,475.99 × 35,666.92 - Step 4: Simplify right side
115,630.76x = 6,187,354,257.25 - Step 5: Solve for x
x = 6,187,354,257.25/115,630.76 - Step 6: Final answer
x = 53,509.59
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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.