Finding the Fourth Proportional to 249,527.34, 344,348.61 and 136,350.09
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Solution
The fourth proportional to 249,527.34, 344,348.61 and 136,350.09 is: 188,163.61
Step by Step Solution
- Step 1: Write the proportion equation
249,527.34 : 344,348.61 = 136,350.09 : x - Step 2: Convert to fraction form
249,527.34/344,348.61 = 136,350.09/x - Step 3: Cross multiply
249,527.34x = 344,348.61 × 136,350.09 - Step 4: Simplify right side
249,527.34x = 46,951,963,964.87 - Step 5: Solve for x
x = 46,951,963,964.87/249,527.34 - Step 6: Final answer
x = 188,163.61
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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.