Finding the Fourth Proportional to 154,799.02, 213,660.75 and 94,402.99
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Solution
The fourth proportional to 154,799.02, 213,660.75 and 94,402.99 is: 130,299.36
Step by Step Solution
- Step 1: Write the proportion equation
154,799.02 : 213,660.75 = 94,402.99 : x - Step 2: Convert to fraction form
154,799.02/213,660.75 = 94,402.99/x - Step 3: Cross multiply
154,799.02x = 213,660.75 × 94,402.99 - Step 4: Simplify right side
154,799.02x = 20,170,213,645.64 - Step 5: Solve for x
x = 20,170,213,645.64/154,799.02 - Step 6: Final answer
x = 130,299.36
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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.