Finding the Fourth Proportional to 147,799.46, 202,486.01 and 142,264.43
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Solution
The fourth proportional to 147,799.46, 202,486.01 and 142,264.43 is: 194,902.99
Step by Step Solution
- Step 1: Write the proportion equation
147,799.46 : 202,486.01 = 142,264.43 : x - Step 2: Convert to fraction form
147,799.46/202,486.01 = 142,264.43/x - Step 3: Cross multiply
147,799.46x = 202,486.01 × 142,264.43 - Step 4: Simplify right side
147,799.46x = 28,806,556,795.62 - Step 5: Solve for x
x = 28,806,556,795.62/147,799.46 - Step 6: Final answer
x = 194,902.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.