Finding the Fourth Proportional to 286,738.74, 395,656.11 and 164,212.06
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Solution
The fourth proportional to 286,738.74, 395,656.11 and 164,212.06 is: 226,587.82
Step by Step Solution
- Step 1: Write the proportion equation
286,738.74 : 395,656.11 = 164,212.06 : x - Step 2: Convert to fraction form
286,738.74/395,656.11 = 164,212.06/x - Step 3: Cross multiply
286,738.74x = 395,656.11 × 164,212.06 - Step 4: Simplify right side
286,738.74x = 64,971,504,874.69 - Step 5: Solve for x
x = 64,971,504,874.69/286,738.74 - Step 6: Final answer
x = 226,587.82
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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.