Finding the Fourth Proportional to 249,958.62, 374,994.21 and 79,190.63
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Solution
The fourth proportional to 249,958.62, 374,994.21 and 79,190.63 is: 118,803.78
Step by Step Solution
- Step 1: Write the proportion equation
249,958.62 : 374,994.21 = 79,190.63 : x - Step 2: Convert to fraction form
249,958.62/374,994.21 = 79,190.63/x - Step 3: Cross multiply
249,958.62x = 374,994.21 × 79,190.63 - Step 4: Simplify right side
249,958.62x = 29,696,027,736.25 - Step 5: Solve for x
x = 29,696,027,736.25/249,958.62 - Step 6: Final answer
x = 118,803.78
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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.