Finding the Fourth Proportional to 192,877.62, 266,202.65 and 115,348.20
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Solution
The fourth proportional to 192,877.62, 266,202.65 and 115,348.20 is: 159,199.37
Step by Step Solution
- Step 1: Write the proportion equation
192,877.62 : 266,202.65 = 115,348.20 : x - Step 2: Convert to fraction form
192,877.62/266,202.65 = 115,348.20/x - Step 3: Cross multiply
192,877.62x = 266,202.65 × 115,348.20 - Step 4: Simplify right side
192,877.62x = 30,705,995,935.99 - Step 5: Solve for x
x = 30,705,995,935.99/192,877.62 - Step 6: Final answer
x = 159,199.37
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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.