Finding the Fourth Proportional to 395,577.24, 593,347.20 and 129,302.68
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Solution
The fourth proportional to 395,577.24, 593,347.20 and 129,302.68 is: 193,947.92
Step by Step Solution
- Step 1: Write the proportion equation
395,577.24 : 593,347.20 = 129,302.68 : x - Step 2: Convert to fraction form
395,577.24/593,347.20 = 129,302.68/x - Step 3: Cross multiply
395,577.24x = 593,347.20 × 129,302.68 - Step 4: Simplify right side
395,577.24x = 76,721,383,130.50 - Step 5: Solve for x
x = 76,721,383,130.50/395,577.24 - Step 6: Final answer
x = 193,947.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.