Finding the Fourth Proportional to 359,120.25, 495,587.43 and 197,971.74
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Solution
The fourth proportional to 359,120.25, 495,587.43 and 197,971.74 is: 273,201.82
Step by Step Solution
- Step 1: Write the proportion equation
359,120.25 : 495,587.43 = 197,971.74 : x - Step 2: Convert to fraction form
359,120.25/495,587.43 = 197,971.74/x - Step 3: Cross multiply
359,120.25x = 495,587.43 × 197,971.74 - Step 4: Simplify right side
359,120.25x = 98,112,305,839.23 - Step 5: Solve for x
x = 98,112,305,839.23/359,120.25 - Step 6: Final answer
x = 273,201.82
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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.