Finding the Fourth Proportional to 202,507.62, 279,448.94 and 120,927.93
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Solution
The fourth proportional to 202,507.62, 279,448.94 and 120,927.93 is: 166,873.63
Step by Step Solution
- Step 1: Write the proportion equation
202,507.62 : 279,448.94 = 120,927.93 : x - Step 2: Convert to fraction form
202,507.62/279,448.94 = 120,927.93/x - Step 3: Cross multiply
202,507.62x = 279,448.94 × 120,927.93 - Step 4: Simplify right side
202,507.62x = 33,793,181,250.25 - Step 5: Solve for x
x = 33,793,181,250.25/202,507.62 - Step 6: Final answer
x = 166,873.63
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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.