Finding the Fourth Proportional to 224,354.80, 309,615.46 and 122,381.98
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Solution
The fourth proportional to 224,354.80, 309,615.46 and 122,381.98 is: 168,890.32
Step by Step Solution
- Step 1: Write the proportion equation
224,354.80 : 309,615.46 = 122,381.98 : x - Step 2: Convert to fraction form
224,354.80/309,615.46 = 122,381.98/x - Step 3: Cross multiply
224,354.80x = 309,615.46 × 122,381.98 - Step 4: Simplify right side
224,354.80x = 37,891,353,033.41 - Step 5: Solve for x
x = 37,891,353,033.41/224,354.80 - Step 6: Final answer
x = 168,890.32
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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.