Finding the Fourth Proportional to 262,312.84, 393,507.90 and 84,760.84
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Solution
The fourth proportional to 262,312.84, 393,507.90 and 84,760.84 is: 127,153.75
Step by Step Solution
- Step 1: Write the proportion equation
262,312.84 : 393,507.90 = 84,760.84 : x - Step 2: Convert to fraction form
262,312.84/393,507.90 = 84,760.84/x - Step 3: Cross multiply
262,312.84x = 393,507.90 × 84,760.84 - Step 4: Simplify right side
262,312.84x = 33,354,060,150.64 - Step 5: Solve for x
x = 33,354,060,150.64/262,312.84 - Step 6: Final answer
x = 127,153.75
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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.