Finding the Fourth Proportional to 192,865.74, 266,151.74 and 107,985.84
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Solution
The fourth proportional to 192,865.74, 266,151.74 and 107,985.84 is: 149,018.79
Step by Step Solution
- Step 1: Write the proportion equation
192,865.74 : 266,151.74 = 107,985.84 : x - Step 2: Convert to fraction form
192,865.74/266,151.74 = 107,985.84/x - Step 3: Cross multiply
192,865.74x = 266,151.74 × 107,985.84 - Step 4: Simplify right side
192,865.74x = 28,740,619,211.36 - Step 5: Solve for x
x = 28,740,619,211.36/192,865.74 - Step 6: Final answer
x = 149,018.79
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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.