Finding the Fourth Proportional to 354,251.18, 488,852.19 and 193,102.70
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Solution
The fourth proportional to 354,251.18, 488,852.19 and 193,102.70 is: 266,473.86
Step by Step Solution
- Step 1: Write the proportion equation
354,251.18 : 488,852.19 = 193,102.70 : x - Step 2: Convert to fraction form
354,251.18/488,852.19 = 193,102.70/x - Step 3: Cross multiply
354,251.18x = 488,852.19 × 193,102.70 - Step 4: Simplify right side
354,251.18x = 94,398,677,789.91 - Step 5: Solve for x
x = 94,398,677,789.91/354,251.18 - Step 6: Final answer
x = 266,473.86
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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.