Finding the Fourth Proportional to 353,373.21, 487,662.93 and 192,236.94
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Solution
The fourth proportional to 353,373.21, 487,662.93 and 192,236.94 is: 265,291.27
Step by Step Solution
- Step 1: Write the proportion equation
353,373.21 : 487,662.93 = 192,236.94 : x - Step 2: Convert to fraction form
353,373.21/487,662.93 = 192,236.94/x - Step 3: Cross multiply
353,373.21x = 487,662.93 × 192,236.94 - Step 4: Simplify right side
353,373.21x = 93,746,829,414.63 - Step 5: Solve for x
x = 93,746,829,414.63/353,373.21 - Step 6: Final answer
x = 265,291.27
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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.