Finding the Fourth Proportional to 256,995.64, 354,765.18 and 193,349.08
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Solution
The fourth proportional to 256,995.64, 354,765.18 and 193,349.08 is: 266,905.39
Step by Step Solution
- Step 1: Write the proportion equation
256,995.64 : 354,765.18 = 193,349.08 : x - Step 2: Convert to fraction form
256,995.64/354,765.18 = 193,349.08/x - Step 3: Cross multiply
256,995.64x = 354,765.18 × 193,349.08 - Step 4: Simplify right side
256,995.64x = 68,593,521,169.03 - Step 5: Solve for x
x = 68,593,521,169.03/256,995.64 - Step 6: Final answer
x = 266,905.39
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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.