Finding the Fourth Proportional to 146,819.99, 220,234.55 and 69,866.55
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Solution
The fourth proportional to 146,819.99, 220,234.55 and 69,866.55 is: 104,801.99
Step by Step Solution
- Step 1: Write the proportion equation
146,819.99 : 220,234.55 = 69,866.55 : x - Step 2: Convert to fraction form
146,819.99/220,234.55 = 69,866.55/x - Step 3: Cross multiply
146,819.99x = 220,234.55 × 69,866.55 - Step 4: Simplify right side
146,819.99x = 15,387,027,849.97 - Step 5: Solve for x
x = 15,387,027,849.97/146,819.99 - Step 6: Final answer
x = 104,801.99
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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.