Finding the Fourth Proportional to 359,173.97, 495,649.83 and 198,029.21
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Solution
The fourth proportional to 359,173.97, 495,649.83 and 198,029.21 is: 273,274.65
Step by Step Solution
- Step 1: Write the proportion equation
359,173.97 : 495,649.83 = 198,029.21 : x - Step 2: Convert to fraction form
359,173.97/495,649.83 = 198,029.21/x - Step 3: Cross multiply
359,173.97x = 495,649.83 × 198,029.21 - Step 4: Simplify right side
359,173.97x = 98,153,142,535.89 - Step 5: Solve for x
x = 98,153,142,535.89/359,173.97 - Step 6: Final answer
x = 273,274.65
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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.