Finding the Fourth Proportional to 359,130.97, 495,604.12 and 197,991.78
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Solution
The fourth proportional to 359,130.97, 495,604.12 and 197,991.78 is: 273,230.53
Step by Step Solution
- Step 1: Write the proportion equation
359,130.97 : 495,604.12 = 197,991.78 : x - Step 2: Convert to fraction form
359,130.97/495,604.12 = 197,991.78/x - Step 3: Cross multiply
359,130.97x = 495,604.12 × 197,991.78 - Step 4: Simplify right side
359,130.97x = 98,125,544,681.13 - Step 5: Solve for x
x = 98,125,544,681.13/359,130.97 - Step 6: Final answer
x = 273,230.53
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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.