Finding the Fourth Proportional to 346,402.66, 477,984.36 and 210,365.68
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Solution
The fourth proportional to 346,402.66, 477,984.36 and 210,365.68 is: 290,273.48
Step by Step Solution
- Step 1: Write the proportion equation
346,402.66 : 477,984.36 = 210,365.68 : x - Step 2: Convert to fraction form
346,402.66/477,984.36 = 210,365.68/x - Step 3: Cross multiply
346,402.66x = 477,984.36 × 210,365.68 - Step 4: Simplify right side
346,402.66x = 100,551,504,920.77 - Step 5: Solve for x
x = 100,551,504,920.77/346,402.66 - Step 6: Final answer
x = 290,273.48
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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.