Finding the Fourth Proportional to 162,742.44, 224,532.66 and 105,425.70
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Solution
The fourth proportional to 162,742.44, 224,532.66 and 105,425.70 is: 145,453.84
Step by Step Solution
- Step 1: Write the proportion equation
162,742.44 : 224,532.66 = 105,425.70 : x - Step 2: Convert to fraction form
162,742.44/224,532.66 = 105,425.70/x - Step 3: Cross multiply
162,742.44x = 224,532.66 × 105,425.70 - Step 4: Simplify right side
162,742.44x = 23,671,512,853.36 - Step 5: Solve for x
x = 23,671,512,853.36/162,742.44 - Step 6: Final answer
x = 145,453.84
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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.