Finding the Fourth Proportional to 345,992.70, 477,459.09 and 202,848.08
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Solution
The fourth proportional to 345,992.70, 477,459.09 and 202,848.08 is: 279,923.99
Step by Step Solution
- Step 1: Write the proportion equation
345,992.70 : 477,459.09 = 202,848.08 : x - Step 2: Convert to fraction form
345,992.70/477,459.09 = 202,848.08/x - Step 3: Cross multiply
345,992.70x = 477,459.09 × 202,848.08 - Step 4: Simplify right side
345,992.70x = 96,851,657,297.75 - Step 5: Solve for x
x = 96,851,657,297.75/345,992.70 - Step 6: Final answer
x = 279,923.99
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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.