Finding the Fourth Proportional to 395,993.79, 546,475.33 and 214,705.26
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Solution
The fourth proportional to 395,993.79, 546,475.33 and 214,705.26 is: 296,295.37
Step by Step Solution
- Step 1: Write the proportion equation
395,993.79 : 546,475.33 = 214,705.26 : x - Step 2: Convert to fraction form
395,993.79/546,475.33 = 214,705.26/x - Step 3: Cross multiply
395,993.79x = 546,475.33 × 214,705.26 - Step 4: Simplify right side
395,993.79x = 117,331,127,811.24 - Step 5: Solve for x
x = 117,331,127,811.24/395,993.79 - Step 6: Final answer
x = 296,295.37
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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.