Finding the Fourth Proportional to 224,163.99, 309,341.68 and 122,188.57
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Solution
The fourth proportional to 224,163.99, 309,341.68 and 122,188.57 is: 168,617.70
Step by Step Solution
- Step 1: Write the proportion equation
224,163.99 : 309,341.68 = 122,188.57 : x - Step 2: Convert to fraction form
224,163.99/309,341.68 = 122,188.57/x - Step 3: Cross multiply
224,163.99x = 309,341.68 × 122,188.57 - Step 4: Simplify right side
224,163.99x = 37,798,017,520.60 - Step 5: Solve for x
x = 37,798,017,520.60/224,163.99 - Step 6: Final answer
x = 168,617.70
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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.