Finding the Fourth Proportional to 224,088.57, 309,238.16 and 122,114.88
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Solution
The fourth proportional to 224,088.57, 309,238.16 and 122,114.88 is: 168,516.32
Step by Step Solution
- Step 1: Write the proportion equation
224,088.57 : 309,238.16 = 122,114.88 : x - Step 2: Convert to fraction form
224,088.57/309,238.16 = 122,114.88/x - Step 3: Cross multiply
224,088.57x = 309,238.16 × 122,114.88 - Step 4: Simplify right side
224,088.57x = 37,762,580,189.25 - Step 5: Solve for x
x = 37,762,580,189.25/224,088.57 - Step 6: Final answer
x = 168,516.32
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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.