Finding the Fourth Proportional to 264,787.99, 365,409.87 and 143,929.56
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Solution
The fourth proportional to 264,787.99, 365,409.87 and 143,929.56 is: 198,624.12
Step by Step Solution
- Step 1: Write the proportion equation
264,787.99 : 365,409.87 = 143,929.56 : x - Step 2: Convert to fraction form
264,787.99/365,409.87 = 143,929.56/x - Step 3: Cross multiply
264,787.99x = 365,409.87 × 143,929.56 - Step 4: Simplify right side
264,787.99x = 52,593,281,808.76 - Step 5: Solve for x
x = 52,593,281,808.76/264,787.99 - Step 6: Final answer
x = 198,624.12
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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.