Finding the Fourth Proportional to 249,731.26, 344,630.28 and 136,553.92
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Solution
The fourth proportional to 249,731.26, 344,630.28 and 136,553.92 is: 188,445.03
Step by Step Solution
- Step 1: Write the proportion equation
249,731.26 : 344,630.28 = 136,553.92 : x - Step 2: Convert to fraction form
249,731.26/344,630.28 = 136,553.92/x - Step 3: Cross multiply
249,731.26x = 344,630.28 × 136,553.92 - Step 4: Simplify right side
249,731.26x = 47,060,615,684.70 - Step 5: Solve for x
x = 47,060,615,684.70/249,731.26 - Step 6: Final answer
x = 188,445.03
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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.