Finding the Fourth Proportional to 224,099.77, 309,257.67 and 122,125.18
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Solution
The fourth proportional to 224,099.77, 309,257.67 and 122,125.18 is: 168,532.74
Step by Step Solution
- Step 1: Write the proportion equation
224,099.77 : 309,257.67 = 122,125.18 : x - Step 2: Convert to fraction form
224,099.77/309,257.67 = 122,125.18/x - Step 3: Cross multiply
224,099.77x = 309,257.67 × 122,125.18 - Step 4: Simplify right side
224,099.77x = 37,768,148,615.13 - Step 5: Solve for x
x = 37,768,148,615.13/224,099.77 - Step 6: Final answer
x = 168,532.74
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1.5x scale
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.