Finding the Fourth Proportional to 249,969.20, 344,956.20 and 136,793.84
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Solution
The fourth proportional to 249,969.20, 344,956.20 and 136,793.84 is: 188,774.79
Step by Step Solution
- Step 1: Write the proportion equation
249,969.20 : 344,956.20 = 136,793.84 : x - Step 2: Convert to fraction form
249,969.20/344,956.20 = 136,793.84/x - Step 3: Cross multiply
249,969.20x = 344,956.20 × 136,793.84 - Step 4: Simplify right side
249,969.20x = 47,187,883,229.81 - Step 5: Solve for x
x = 47,187,883,229.81/249,969.20 - Step 6: Final answer
x = 188,774.79
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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.