Finding the Fourth Proportional to 342,745.38, 513,232.47 and 236,457.18
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Solution
The fourth proportional to 342,745.38, 513,232.47 and 236,457.18 is: 354,074.80
Step by Step Solution
- Step 1: Write the proportion equation
342,745.38 : 513,232.47 = 236,457.18 : x - Step 2: Convert to fraction form
342,745.38/513,232.47 = 236,457.18/x - Step 3: Cross multiply
342,745.38x = 513,232.47 × 236,457.18 - Step 4: Simplify right side
342,745.38x = 121,357,502,540.64 - Step 5: Solve for x
x = 121,357,502,540.64/342,745.38 - Step 6: Final answer
x = 354,074.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.