Finding the Fourth Proportional to 224,289.87, 309,516.12 and 122,316.12
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Solution
The fourth proportional to 224,289.87, 309,516.12 and 122,316.12 is: 168,794.12
Step by Step Solution
- Step 1: Write the proportion equation
224,289.87 : 309,516.12 = 122,316.12 : x - Step 2: Convert to fraction form
224,289.87/309,516.12 = 122,316.12/x - Step 3: Cross multiply
224,289.87x = 309,516.12 × 122,316.12 - Step 4: Simplify right side
224,289.87x = 37,858,810,875.85 - Step 5: Solve for x
x = 37,858,810,875.85/224,289.87 - Step 6: Final answer
x = 168,794.12
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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.