Finding the Fourth Proportional to 346,120.74, 477,647.01 and 195,217.74
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Solution
The fourth proportional to 346,120.74, 477,647.01 and 195,217.74 is: 269,400.70
Step by Step Solution
- Step 1: Write the proportion equation
346,120.74 : 477,647.01 = 195,217.74 : x - Step 2: Convert to fraction form
346,120.74/477,647.01 = 195,217.74/x - Step 3: Cross multiply
346,120.74x = 477,647.01 × 195,217.74 - Step 4: Simplify right side
346,120.74x = 93,245,169,809.96 - Step 5: Solve for x
x = 93,245,169,809.96/346,120.74 - Step 6: Final answer
x = 269,400.70
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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.