Finding the Fourth Proportional to 342,745.88, 513,233.22 and 236,457.68
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Solution
The fourth proportional to 342,745.88, 513,233.22 and 236,457.68 is: 354,075.55
Step by Step Solution
- Step 1: Write the proportion equation
342,745.88 : 513,233.22 = 236,457.68 : x - Step 2: Convert to fraction form
342,745.88/513,233.22 = 236,457.68/x - Step 3: Cross multiply
342,745.88x = 513,233.22 × 236,457.68 - Step 4: Simplify right side
342,745.88x = 121,357,936,500.13 - Step 5: Solve for x
x = 121,357,936,500.13/342,745.88 - Step 6: Final answer
x = 354,075.55
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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.