Finding the Fourth Proportional to 135,022.24, 202,533.20 and 51,857.92
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Solution
The fourth proportional to 135,022.24, 202,533.20 and 51,857.92 is: 77,786.82
Step by Step Solution
- Step 1: Write the proportion equation
135,022.24 : 202,533.20 = 51,857.92 : x - Step 2: Convert to fraction form
135,022.24/202,533.20 = 51,857.92/x - Step 3: Cross multiply
135,022.24x = 202,533.20 × 51,857.92 - Step 4: Simplify right side
135,022.24x = 10,502,950,482.94 - Step 5: Solve for x
x = 10,502,950,482.94/135,022.24 - Step 6: Final answer
x = 77,786.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.