Finding the Fourth Proportional to 170,643.92, 255,965.99 and 70,777.30
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Solution
The fourth proportional to 170,643.92, 255,965.99 and 70,777.30 is: 106,166.00
Step by Step Solution
- Step 1: Write the proportion equation
170,643.92 : 255,965.99 = 70,777.30 : x - Step 2: Convert to fraction form
170,643.92/255,965.99 = 70,777.30/x - Step 3: Cross multiply
170,643.92x = 255,965.99 × 70,777.30 - Step 4: Simplify right side
170,643.92x = 18,116,581,664.03 - Step 5: Solve for x
x = 18,116,581,664.03/170,643.92 - Step 6: Final answer
x = 106,166.00
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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.