Finding the Fourth Proportional to 347,534.58, 479,455.17 and 211,459.44
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Solution
The fourth proportional to 347,534.58, 479,455.17 and 211,459.44 is: 291,727.29
Step by Step Solution
- Step 1: Write the proportion equation
347,534.58 : 479,455.17 = 211,459.44 : x - Step 2: Convert to fraction form
347,534.58/479,455.17 = 211,459.44/x - Step 3: Cross multiply
347,534.58x = 479,455.17 × 211,459.44 - Step 4: Simplify right side
347,534.58x = 101,385,321,753.31 - Step 5: Solve for x
x = 101,385,321,753.31/347,534.58 - Step 6: Final answer
x = 291,727.29
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1.5x scale
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.