Finding the Fourth Proportional to 263,787.84, 395,598.24 and 86,253.84
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Solution
The fourth proportional to 263,787.84, 395,598.24 and 86,253.84 is: 129,353.45
Step by Step Solution
- Step 1: Write the proportion equation
263,787.84 : 395,598.24 = 86,253.84 : x - Step 2: Convert to fraction form
263,787.84/395,598.24 = 86,253.84/x - Step 3: Cross multiply
263,787.84x = 395,598.24 × 86,253.84 - Step 4: Simplify right side
263,787.84x = 34,121,867,297.24 - Step 5: Solve for x
x = 34,121,867,297.24/263,787.84 - Step 6: Final answer
x = 129,353.45
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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.