Finding the Fourth Proportional to 353,227.46, 487,466.69 and 202,353.62
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Solution
The fourth proportional to 353,227.46, 487,466.69 and 202,353.62 is: 279,255.32
Step by Step Solution
- Step 1: Write the proportion equation
353,227.46 : 487,466.69 = 202,353.62 : x - Step 2: Convert to fraction form
353,227.46/487,466.69 = 202,353.62/x - Step 3: Cross multiply
353,227.46x = 487,466.69 × 202,353.62 - Step 4: Simplify right side
353,227.46x = 98,640,645,901.82 - Step 5: Solve for x
x = 98,640,645,901.82/353,227.46 - Step 6: Final answer
x = 279,255.32
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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.