Finding the Fourth Proportional to 249,793.21, 344,717.36 and 136,613.53
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Solution
The fourth proportional to 249,793.21, 344,717.36 and 136,613.53 is: 188,528.16
Step by Step Solution
- Step 1: Write the proportion equation
249,793.21 : 344,717.36 = 136,613.53 : x - Step 2: Convert to fraction form
249,793.21/344,717.36 = 136,613.53/x - Step 3: Cross multiply
249,793.21x = 344,717.36 × 136,613.53 - Step 4: Simplify right side
249,793.21x = 47,093,055,662.01 - Step 5: Solve for x
x = 47,093,055,662.01/249,793.21 - Step 6: Final answer
x = 188,528.16
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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.