Finding the Fourth Proportional to 320,836.24, 480,983.76 and 202,246.24
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Solution
The fourth proportional to 320,836.24, 480,983.76 and 202,246.24 is: 303,198.78
Step by Step Solution
- Step 1: Write the proportion equation
320,836.24 : 480,983.76 = 202,246.24 : x - Step 2: Convert to fraction form
320,836.24/480,983.76 = 202,246.24/x - Step 3: Cross multiply
320,836.24x = 480,983.76 × 202,246.24 - Step 4: Simplify right side
320,836.24x = 97,277,156,961.06 - Step 5: Solve for x
x = 97,277,156,961.06/320,836.24 - Step 6: Final answer
x = 303,198.78
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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.