Finding the Fourth Proportional to 346,120.92, 477,518.90 and 202,828.68
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Solution
The fourth proportional to 346,120.92, 477,518.90 and 202,828.68 is: 279,828.58
Step by Step Solution
- Step 1: Write the proportion equation
346,120.92 : 477,518.90 = 202,828.68 : x - Step 2: Convert to fraction form
346,120.92/477,518.90 = 202,828.68/x - Step 3: Cross multiply
346,120.92x = 477,518.90 × 202,828.68 - Step 4: Simplify right side
346,120.92x = 96,854,527,147.91 - Step 5: Solve for x
x = 96,854,527,147.91/346,120.92 - Step 6: Final answer
x = 279,828.58
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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.