Finding the Fourth Proportional to 346,418.56, 477,792.84 and 239,168.08
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Solution
The fourth proportional to 346,418.56, 477,792.84 and 239,168.08 is: 329,869.15
Step by Step Solution
- Step 1: Write the proportion equation
346,418.56 : 477,792.84 = 239,168.08 : x - Step 2: Convert to fraction form
346,418.56/477,792.84 = 239,168.08/x - Step 3: Cross multiply
346,418.56x = 477,792.84 × 239,168.08 - Step 4: Simplify right side
346,418.56x = 114,272,796,180.55 - Step 5: Solve for x
x = 114,272,796,180.55/346,418.56 - Step 6: Final answer
x = 329,869.15
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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.