Finding the Fourth Proportional to 321,803.84, 444,170.88 and 219,870.47
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Solution
The fourth proportional to 321,803.84, 444,170.88 and 219,870.47 is: 303,476.99
Step by Step Solution
- Step 1: Write the proportion equation
321,803.84 : 444,170.88 = 219,870.47 : x - Step 2: Convert to fraction form
321,803.84/444,170.88 = 219,870.47/x - Step 3: Cross multiply
321,803.84x = 444,170.88 × 219,870.47 - Step 4: Simplify right side
321,803.84x = 97,660,057,925.06 - Step 5: Solve for x
x = 97,660,057,925.06/321,803.84 - Step 6: Final answer
x = 303,476.99
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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.