Finding the Fourth Proportional to 345,873.91, 477,412.35 and 202,680.08
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Solution
The fourth proportional to 345,873.91, 477,412.35 and 202,680.08 is: 279,760.83
Step by Step Solution
- Step 1: Write the proportion equation
345,873.91 : 477,412.35 = 202,680.08 : x - Step 2: Convert to fraction form
345,873.91/477,412.35 = 202,680.08/x - Step 3: Cross multiply
345,873.91x = 477,412.35 × 202,680.08 - Step 4: Simplify right side
345,873.91x = 96,761,973,290.99 - Step 5: Solve for x
x = 96,761,973,290.99/345,873.91 - Step 6: Final answer
x = 279,760.83
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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.