Finding the Fourth Proportional to 353,229.14, 487,469.01 and 202,355.30
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Solution
The fourth proportional to 353,229.14, 487,469.01 and 202,355.30 is: 279,257.65
Step by Step Solution
- Step 1: Write the proportion equation
353,229.14 : 487,469.01 = 202,355.30 : x - Step 2: Convert to fraction form
353,229.14/487,469.01 = 202,355.30/x - Step 3: Cross multiply
353,229.14x = 487,469.01 × 202,355.30 - Step 4: Simplify right side
353,229.14x = 98,641,939,736.76 - Step 5: Solve for x
x = 98,641,939,736.76/353,229.14 - Step 6: Final answer
x = 279,257.65
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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.