Finding the Fourth Proportional to 268,078.68, 369,958.05 and 147,223.26
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Solution
The fourth proportional to 268,078.68, 369,958.05 and 147,223.26 is: 203,173.30
Step by Step Solution
- Step 1: Write the proportion equation
268,078.68 : 369,958.05 = 147,223.26 : x - Step 2: Convert to fraction form
268,078.68/369,958.05 = 147,223.26/x - Step 3: Cross multiply
268,078.68x = 369,958.05 × 147,223.26 - Step 4: Simplify right side
268,078.68x = 54,466,430,184.24 - Step 5: Solve for x
x = 54,466,430,184.24/268,078.68 - Step 6: Final answer
x = 203,173.30
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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.