Finding the Fourth Proportional to 169,980.09, 254,942.40 and 50,008.99
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Solution
The fourth proportional to 169,980.09, 254,942.40 and 50,008.99 is: 75,005.33
Step by Step Solution
- Step 1: Write the proportion equation
169,980.09 : 254,942.40 = 50,008.99 : x - Step 2: Convert to fraction form
169,980.09/254,942.40 = 50,008.99/x - Step 3: Cross multiply
169,980.09x = 254,942.40 × 50,008.99 - Step 4: Simplify right side
169,980.09x = 12,749,411,932.18 - Step 5: Solve for x
x = 12,749,411,932.18/169,980.09 - Step 6: Final answer
x = 75,005.33
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1.5x scale
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.