Finding the Fourth Proportional to 279,792.75, 419,739.00 and 130,201.95
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Solution
The fourth proportional to 279,792.75, 419,739.00 and 130,201.95 is: 195,326.14
Step by Step Solution
- Step 1: Write the proportion equation
279,792.75 : 419,739.00 = 130,201.95 : x - Step 2: Convert to fraction form
279,792.75/419,739.00 = 130,201.95/x - Step 3: Cross multiply
279,792.75x = 419,739.00 × 130,201.95 - Step 4: Simplify right side
279,792.75x = 54,650,837,014.89 - Step 5: Solve for x
x = 54,650,837,014.89/279,792.75 - Step 6: Final answer
x = 195,326.14
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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.