Finding the Fourth Proportional to 249,408.87, 374,168.63 and 71,902.02
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Solution
The fourth proportional to 249,408.87, 374,168.63 and 71,902.02 is: 107,868.99
Step by Step Solution
- Step 1: Write the proportion equation
249,408.87 : 374,168.63 = 71,902.02 : x - Step 2: Convert to fraction form
249,408.87/374,168.63 = 71,902.02/x - Step 3: Cross multiply
249,408.87x = 374,168.63 × 71,902.02 - Step 4: Simplify right side
249,408.87x = 26,903,481,900.52 - Step 5: Solve for x
x = 26,903,481,900.52/249,408.87 - Step 6: Final answer
x = 107,868.99
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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.