Finding the Fourth Proportional to 353,635.26, 488,058.30 and 198,612.06
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Solution
The fourth proportional to 353,635.26, 488,058.30 and 198,612.06 is: 274,108.03
Step by Step Solution
- Step 1: Write the proportion equation
353,635.26 : 488,058.30 = 198,612.06 : x - Step 2: Convert to fraction form
353,635.26/488,058.30 = 198,612.06/x - Step 3: Cross multiply
353,635.26x = 488,058.30 × 198,612.06 - Step 4: Simplify right side
353,635.26x = 96,934,264,363.10 - Step 5: Solve for x
x = 96,934,264,363.10/353,635.26 - Step 6: Final answer
x = 274,108.03
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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.