Finding the Fourth Proportional to 359,228.18, 495,738.36 and 198,088.94
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Solution
The fourth proportional to 359,228.18, 495,738.36 and 198,088.94 is: 273,364.65
Step by Step Solution
- Step 1: Write the proportion equation
359,228.18 : 495,738.36 = 198,088.94 : x - Step 2: Convert to fraction form
359,228.18/495,738.36 = 198,088.94/x - Step 3: Cross multiply
359,228.18x = 495,738.36 × 198,088.94 - Step 4: Simplify right side
359,228.18x = 98,200,283,771.05 - Step 5: Solve for x
x = 98,200,283,771.05/359,228.18 - Step 6: Final answer
x = 273,364.65
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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.