Finding the Fourth Proportional to 446,722.14, 616,478.55 and 245,531.10
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Solution
The fourth proportional to 446,722.14, 616,478.55 and 245,531.10 is: 338,834.02
Step by Step Solution
- Step 1: Write the proportion equation
446,722.14 : 616,478.55 = 245,531.10 : x - Step 2: Convert to fraction form
446,722.14/616,478.55 = 245,531.10/x - Step 3: Cross multiply
446,722.14x = 616,478.55 × 245,531.10 - Step 4: Simplify right side
446,722.14x = 151,364,656,507.91 - Step 5: Solve for x
x = 151,364,656,507.91/446,722.14 - Step 6: Final answer
x = 338,834.02
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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.