Finding the Fourth Proportional to 170,154.99, 234,914.97 and 151,238.05
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Solution
The fourth proportional to 170,154.99, 234,914.97 and 151,238.05 is: 208,798.35
Step by Step Solution
- Step 1: Write the proportion equation
170,154.99 : 234,914.97 = 151,238.05 : x - Step 2: Convert to fraction form
170,154.99/234,914.97 = 151,238.05/x - Step 3: Cross multiply
170,154.99x = 234,914.97 × 151,238.05 - Step 4: Simplify right side
170,154.99x = 35,528,081,958.46 - Step 5: Solve for x
x = 35,528,081,958.46/170,154.99 - Step 6: Final answer
x = 208,798.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.