Finding the Fourth Proportional to 179,021.79, 246,980.15 and 102,499.99
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Solution
The fourth proportional to 179,021.79, 246,980.15 and 102,499.99 is: 141,409.95
Step by Step Solution
- Step 1: Write the proportion equation
179,021.79 : 246,980.15 = 102,499.99 : x - Step 2: Convert to fraction form
179,021.79/246,980.15 = 102,499.99/x - Step 3: Cross multiply
179,021.79x = 246,980.15 × 102,499.99 - Step 4: Simplify right side
179,021.79x = 25,315,461,775.25 - Step 5: Solve for x
x = 25,315,461,775.25/179,021.79 - Step 6: Final answer
x = 141,409.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.