Finding the Fourth Proportional to 284,698.94, 392,886.88 and 157,376.66
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Solution
The fourth proportional to 284,698.94, 392,886.88 and 157,376.66 is: 217,181.09
Step by Step Solution
- Step 1: Write the proportion equation
284,698.94 : 392,886.88 = 157,376.66 : x - Step 2: Convert to fraction form
284,698.94/392,886.88 = 157,376.66/x - Step 3: Cross multiply
284,698.94x = 392,886.88 × 157,376.66 - Step 4: Simplify right side
284,698.94x = 61,831,224,932.22 - Step 5: Solve for x
x = 61,831,224,932.22/284,698.94 - Step 6: Final answer
x = 217,181.09
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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.