Finding the Fourth Proportional to 292,112.64, 403,119.36 and 164,787.84
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Solution
The fourth proportional to 292,112.64, 403,119.36 and 164,787.84 is: 227,409.43
Step by Step Solution
- Step 1: Write the proportion equation
292,112.64 : 403,119.36 = 164,787.84 : x - Step 2: Convert to fraction form
292,112.64/403,119.36 = 164,787.84/x - Step 3: Cross multiply
292,112.64x = 403,119.36 × 164,787.84 - Step 4: Simplify right side
292,112.64x = 66,429,168,596.58 - Step 5: Solve for x
x = 66,429,168,596.58/292,112.64 - Step 6: Final answer
x = 227,409.43
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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.