Finding the Fourth Proportional to 224,626.10, 309,984.68 and 122,652.45
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Solution
The fourth proportional to 224,626.10, 309,984.68 and 122,652.45 is: 169,260.75
Step by Step Solution
- Step 1: Write the proportion equation
224,626.10 : 309,984.68 = 122,652.45 : x - Step 2: Convert to fraction form
224,626.10/309,984.68 = 122,652.45/x - Step 3: Cross multiply
224,626.10x = 309,984.68 × 122,652.45 - Step 4: Simplify right side
224,626.10x = 38,020,380,771.10 - Step 5: Solve for x
x = 38,020,380,771.10/224,626.10 - Step 6: Final answer
x = 169,260.75
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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.