Finding the Fourth Proportional to 353,229.52, 487,469.53 and 202,355.68
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Solution
The fourth proportional to 353,229.52, 487,469.53 and 202,355.68 is: 279,258.17
Step by Step Solution
- Step 1: Write the proportion equation
353,229.52 : 487,469.53 = 202,355.68 : x - Step 2: Convert to fraction form
353,229.52/487,469.53 = 202,355.68/x - Step 3: Cross multiply
353,229.52x = 487,469.53 × 202,355.68 - Step 4: Simplify right side
353,229.52x = 98,642,227,256.70 - Step 5: Solve for x
x = 98,642,227,256.70/353,229.52 - Step 6: Final answer
x = 279,258.17
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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.