Finding the Fourth Proportional to 202,469.48, 279,395.54 and 121,923.08
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Solution
The fourth proportional to 202,469.48, 279,395.54 and 121,923.08 is: 168,246.42
Step by Step Solution
- Step 1: Write the proportion equation
202,469.48 : 279,395.54 = 121,923.08 : x - Step 2: Convert to fraction form
202,469.48/279,395.54 = 121,923.08/x - Step 3: Cross multiply
202,469.48x = 279,395.54 × 121,923.08 - Step 4: Simplify right side
202,469.48x = 34,064,764,775.06 - Step 5: Solve for x
x = 34,064,764,775.06/202,469.48 - Step 6: Final answer
x = 168,246.42
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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.