Finding the Fourth Proportional to 249,529.11, 374,441.90 and 91,868.28
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Solution
The fourth proportional to 249,529.11, 374,441.90 and 91,868.28 is: 137,856.99
Step by Step Solution
- Step 1: Write the proportion equation
249,529.11 : 374,441.90 = 91,868.28 : x - Step 2: Convert to fraction form
249,529.11/374,441.90 = 91,868.28/x - Step 3: Cross multiply
249,529.11x = 374,441.90 × 91,868.28 - Step 4: Simplify right side
249,529.11x = 34,399,332,853.59 - Step 5: Solve for x
x = 34,399,332,853.59/249,529.11 - Step 6: Final answer
x = 137,856.99
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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.