Finding the Fourth Proportional to 249,633.26, 374,543.42 and 129,615.28
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Solution
The fourth proportional to 249,633.26, 374,543.42 and 129,615.28 is: 194,471.48
Step by Step Solution
- Step 1: Write the proportion equation
249,633.26 : 374,543.42 = 129,615.28 : x - Step 2: Convert to fraction form
249,633.26/374,543.42 = 129,615.28/x - Step 3: Cross multiply
249,633.26x = 374,543.42 × 129,615.28 - Step 4: Simplify right side
249,633.26x = 48,546,550,255.46 - Step 5: Solve for x
x = 48,546,550,255.46/249,633.26 - Step 6: Final answer
x = 194,471.48
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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.