Finding the Fourth Proportional to 352,421.58, 486,334.74 and 199,457.01
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Solution
The fourth proportional to 352,421.58, 486,334.74 and 199,457.01 is: 275,246.69
Step by Step Solution
- Step 1: Write the proportion equation
352,421.58 : 486,334.74 = 199,457.01 : x - Step 2: Convert to fraction form
352,421.58/486,334.74 = 199,457.01/x - Step 3: Cross multiply
352,421.58x = 486,334.74 × 199,457.01 - Step 4: Simplify right side
352,421.58x = 97,002,873,099.53 - Step 5: Solve for x
x = 97,002,873,099.53/352,421.58 - Step 6: Final answer
x = 275,246.69
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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.