Finding the Fourth Proportional to 393,768.26, 590,710.35 and 127,440.26
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Solution
The fourth proportional to 393,768.26, 590,710.35 and 127,440.26 is: 191,179.15
Step by Step Solution
- Step 1: Write the proportion equation
393,768.26 : 590,710.35 = 127,440.26 : x - Step 2: Convert to fraction form
393,768.26/590,710.35 = 127,440.26/x - Step 3: Cross multiply
393,768.26x = 590,710.35 × 127,440.26 - Step 4: Simplify right side
393,768.26x = 75,280,280,588.69 - Step 5: Solve for x
x = 75,280,280,588.69/393,768.26 - Step 6: Final answer
x = 191,179.15
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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.