Finding the Fourth Proportional to 355,227.09, 533,050.80 and 130,745.16
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Solution
The fourth proportional to 355,227.09, 533,050.80 and 130,745.16 is: 196,195.09
Step by Step Solution
- Step 1: Write the proportion equation
355,227.09 : 533,050.80 = 130,745.16 : x - Step 2: Convert to fraction form
355,227.09/533,050.80 = 130,745.16/x - Step 3: Cross multiply
355,227.09x = 533,050.80 × 130,745.16 - Step 4: Simplify right side
355,227.09x = 69,693,812,134.13 - Step 5: Solve for x
x = 69,693,812,134.13/355,227.09 - Step 6: Final answer
x = 196,195.09
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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.