Finding the Fourth Proportional to 121,999.91, 183,014.62 and 43,097.99
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Solution
The fourth proportional to 121,999.91, 183,014.62 and 43,097.99 is: 64,652.19
Step by Step Solution
- Step 1: Write the proportion equation
121,999.91 : 183,014.62 = 43,097.99 : x - Step 2: Convert to fraction form
121,999.91/183,014.62 = 43,097.99/x - Step 3: Cross multiply
121,999.91x = 183,014.62 × 43,097.99 - Step 4: Simplify right side
121,999.91x = 7,887,561,239.80 - Step 5: Solve for x
x = 7,887,561,239.80/121,999.91 - Step 6: Final answer
x = 64,652.19
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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.