Finding the Fourth Proportional to 446,457.78, 615,938.09 and 252,821.03
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Solution
The fourth proportional to 446,457.78, 615,938.09 and 252,821.03 is: 348,794.68
Step by Step Solution
- Step 1: Write the proportion equation
446,457.78 : 615,938.09 = 252,821.03 : x - Step 2: Convert to fraction form
446,457.78/615,938.09 = 252,821.03/x - Step 3: Cross multiply
446,457.78x = 615,938.09 × 252,821.03 - Step 4: Simplify right side
446,457.78x = 155,722,097,986.24 - Step 5: Solve for x
x = 155,722,097,986.24/446,457.78 - Step 6: Final answer
x = 348,794.68
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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.