Finding the Fourth Proportional to 268,644.82, 370,718.14 and 147,778.44
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Solution
The fourth proportional to 268,644.82, 370,718.14 and 147,778.44 is: 203,927.80
Step by Step Solution
- Step 1: Write the proportion equation
268,644.82 : 370,718.14 = 147,778.44 : x - Step 2: Convert to fraction form
268,644.82/370,718.14 = 147,778.44/x - Step 3: Cross multiply
268,644.82x = 370,718.14 × 147,778.44 - Step 4: Simplify right side
268,644.82x = 54,784,148,408.90 - Step 5: Solve for x
x = 54,784,148,408.90/268,644.82 - Step 6: Final answer
x = 203,927.80
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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.