Finding the Fourth Proportional to 202,468.48, 279,394.16 and 121,922.08
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Solution
The fourth proportional to 202,468.48, 279,394.16 and 121,922.08 is: 168,245.04
Step by Step Solution
- Step 1: Write the proportion equation
202,468.48 : 279,394.16 = 121,922.08 : x - Step 2: Convert to fraction form
202,468.48/279,394.16 = 121,922.08/x - Step 3: Cross multiply
202,468.48x = 279,394.16 × 121,922.08 - Step 4: Simplify right side
202,468.48x = 34,064,317,127.05 - Step 5: Solve for x
x = 34,064,317,127.05/202,468.48 - Step 6: Final answer
x = 168,245.04
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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.