Finding the Fourth Proportional to 346,291.36, 477,888.72 and 195,391.84
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Solution
The fourth proportional to 346,291.36, 477,888.72 and 195,391.84 is: 269,644.49
Step by Step Solution
- Step 1: Write the proportion equation
346,291.36 : 477,888.72 = 195,391.84 : x - Step 2: Convert to fraction form
346,291.36/477,888.72 = 195,391.84/x - Step 3: Cross multiply
346,291.36x = 477,888.72 × 195,391.84 - Step 4: Simplify right side
346,291.36x = 93,375,556,316.04 - Step 5: Solve for x
x = 93,375,556,316.04/346,291.36 - Step 6: Final answer
x = 269,644.49
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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.