Finding the Fourth Proportional to 444,213.09, 613,028.57 and 243,009.09
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Solution
The fourth proportional to 444,213.09, 613,028.57 and 243,009.09 is: 335,360.48
Step by Step Solution
- Step 1: Write the proportion equation
444,213.09 : 613,028.57 = 243,009.09 : x - Step 2: Convert to fraction form
444,213.09/613,028.57 = 243,009.09/x - Step 3: Cross multiply
444,213.09x = 613,028.57 × 243,009.09 - Step 4: Simplify right side
444,213.09x = 148,971,513,724.66 - Step 5: Solve for x
x = 148,971,513,724.66/444,213.09 - Step 6: Final answer
x = 335,360.48
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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.