Finding the Fourth Proportional to 160,236.99, 221,154.78 and 96,574.84
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Solution
The fourth proportional to 160,236.99, 221,154.78 and 96,574.84 is: 133,289.99
Step by Step Solution
- Step 1: Write the proportion equation
160,236.99 : 221,154.78 = 96,574.84 : x - Step 2: Convert to fraction form
160,236.99/221,154.78 = 96,574.84/x - Step 3: Cross multiply
160,236.99x = 221,154.78 × 96,574.84 - Step 4: Simplify right side
160,236.99x = 21,357,987,493.74 - Step 5: Solve for x
x = 21,357,987,493.74/160,236.99 - Step 6: Final answer
x = 133,289.99
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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.