Finding the Fourth Proportional to 193,238.18, 266,668.44 and 107,210.19
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Solution
The fourth proportional to 193,238.18, 266,668.44 and 107,210.19 is: 147,949.92
Step by Step Solution
- Step 1: Write the proportion equation
193,238.18 : 266,668.44 = 107,210.19 : x - Step 2: Convert to fraction form
193,238.18/266,668.44 = 107,210.19/x - Step 3: Cross multiply
193,238.18x = 266,668.44 × 107,210.19 - Step 4: Simplify right side
193,238.18x = 28,589,574,119.40 - Step 5: Solve for x
x = 28,589,574,119.40/193,238.18 - Step 6: Final answer
x = 147,949.92
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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.