Finding the Fourth Proportional to 446,547.75, 616,245.62 and 245,343.75
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Solution
The fourth proportional to 446,547.75, 616,245.62 and 245,343.75 is: 338,579.72
Step by Step Solution
- Step 1: Write the proportion equation
446,547.75 : 616,245.62 = 245,343.75 : x - Step 2: Convert to fraction form
446,547.75/616,245.62 = 245,343.75/x - Step 3: Cross multiply
446,547.75x = 616,245.62 × 245,343.75 - Step 4: Simplify right side
446,547.75x = 151,192,010,105.16 - Step 5: Solve for x
x = 151,192,010,105.16/446,547.75 - Step 6: Final answer
x = 338,579.72
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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.