Finding the Fourth Proportional to 321,936.10, 482,904.15 and 202,963.30
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Solution
The fourth proportional to 321,936.10, 482,904.15 and 202,963.30 is: 304,444.95
Step by Step Solution
- Step 1: Write the proportion equation
321,936.10 : 482,904.15 = 202,963.30 : x - Step 2: Convert to fraction form
321,936.10/482,904.15 = 202,963.30/x - Step 3: Cross multiply
321,936.10x = 482,904.15 × 202,963.30 - Step 4: Simplify right side
321,936.10x = 98,011,819,867.70 - Step 5: Solve for x
x = 98,011,819,867.70/321,936.10 - Step 6: Final answer
x = 304,444.95
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.