Finding the Fourth Proportional to 193,270.18, 266,713.16 and 107,226.46
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Solution
The fourth proportional to 193,270.18, 266,713.16 and 107,226.46 is: 147,972.69
Step by Step Solution
- Step 1: Write the proportion equation
193,270.18 : 266,713.16 = 107,226.46 : x - Step 2: Convert to fraction form
193,270.18/266,713.16 = 107,226.46/x - Step 3: Cross multiply
193,270.18x = 266,713.16 × 107,226.46 - Step 4: Simplify right side
193,270.18x = 28,598,707,982.21 - Step 5: Solve for x
x = 28,598,707,982.21/193,270.18 - Step 6: Final answer
x = 147,972.69
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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.