Finding the Fourth Proportional to 347,246.64, 479,236.08 and 211,290.48
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Solution
The fourth proportional to 347,246.64, 479,236.08 and 211,290.48 is: 291,602.60
Step by Step Solution
- Step 1: Write the proportion equation
347,246.64 : 479,236.08 = 211,290.48 : x - Step 2: Convert to fraction form
347,246.64/479,236.08 = 211,290.48/x - Step 3: Cross multiply
347,246.64x = 479,236.08 × 211,290.48 - Step 4: Simplify right side
347,246.64x = 101,258,021,376.52 - Step 5: Solve for x
x = 101,258,021,376.52/347,246.64 - Step 6: Final answer
x = 291,602.60
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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.