Finding the Fourth Proportional to 753,702.24, 1,130,311.36 and 248,145.60
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Solution
The fourth proportional to 753,702.24, 1,130,311.36 and 248,145.60 is: 372,138.72
Step by Step Solution
- Step 1: Write the proportion equation
753,702.24 : 1,130,311.36 = 248,145.60 : x - Step 2: Convert to fraction form
753,702.24/1,130,311.36 = 248,145.60/x - Step 3: Cross multiply
753,702.24x = 1,130,311.36 × 248,145.60 - Step 4: Simplify right side
753,702.24x = 280,481,790,614.02 - Step 5: Solve for x
x = 280,481,790,614.02/753,702.24 - Step 6: Final answer
x = 372,138.72
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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.