Finding the Fourth Proportional to 199,355.68, 275,132.76 and 122,859.28
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Solution
The fourth proportional to 199,355.68, 275,132.76 and 122,859.28 is: 169,559.32
Step by Step Solution
- Step 1: Write the proportion equation
199,355.68 : 275,132.76 = 122,859.28 : x - Step 2: Convert to fraction form
199,355.68/275,132.76 = 122,859.28/x - Step 3: Cross multiply
199,355.68x = 275,132.76 × 122,859.28 - Step 4: Simplify right side
199,355.68x = 33,802,612,798.01 - Step 5: Solve for x
x = 33,802,612,798.01/199,355.68 - Step 6: Final answer
x = 169,559.32
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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.