Finding the Fourth Proportional to 395,879.94, 546,312.33 and 214,591.14
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Solution
The fourth proportional to 395,879.94, 546,312.33 and 214,591.14 is: 296,134.70
Step by Step Solution
- Step 1: Write the proportion equation
395,879.94 : 546,312.33 = 214,591.14 : x - Step 2: Convert to fraction form
395,879.94/546,312.33 = 214,591.14/x - Step 3: Cross multiply
395,879.94x = 546,312.33 × 214,591.14 - Step 4: Simplify right side
395,879.94x = 117,233,785,690.76 - Step 5: Solve for x
x = 117,233,785,690.76/395,879.94 - Step 6: Final answer
x = 296,134.70
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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.