Finding the Fourth Proportional to 162,642.38, 224,584.99 and 102,313.98
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Solution
The fourth proportional to 162,642.38, 224,584.99 and 102,313.98 is: 141,280.43
Step by Step Solution
- Step 1: Write the proportion equation
162,642.38 : 224,584.99 = 102,313.98 : x - Step 2: Convert to fraction form
162,642.38/224,584.99 = 102,313.98/x - Step 3: Cross multiply
162,642.38x = 224,584.99 × 102,313.98 - Step 4: Simplify right side
162,642.38x = 22,978,183,919.38 - Step 5: Solve for x
x = 22,978,183,919.38/162,642.38 - Step 6: Final answer
x = 141,280.43
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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.