Finding the Fourth Proportional to 192,953.68, 266,276.88 and 112,436.44
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Solution
The fourth proportional to 192,953.68, 266,276.88 and 112,436.44 is: 155,162.75
Step by Step Solution
- Step 1: Write the proportion equation
192,953.68 : 266,276.88 = 112,436.44 : x - Step 2: Convert to fraction form
192,953.68/266,276.88 = 112,436.44/x - Step 3: Cross multiply
192,953.68x = 266,276.88 × 112,436.44 - Step 4: Simplify right side
192,953.68x = 29,939,224,441.51 - Step 5: Solve for x
x = 29,939,224,441.51/192,953.68 - Step 6: Final answer
x = 155,162.75
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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.