Finding the Fourth Proportional to 146,276.94, 201,866.16 and 82,624.20
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Solution
The fourth proportional to 146,276.94, 201,866.16 and 82,624.20 is: 114,023.65
Step by Step Solution
- Step 1: Write the proportion equation
146,276.94 : 201,866.16 = 82,624.20 : x - Step 2: Convert to fraction form
146,276.94/201,866.16 = 82,624.20/x - Step 3: Cross multiply
146,276.94x = 201,866.16 × 82,624.20 - Step 4: Simplify right side
146,276.94x = 16,679,029,977.07 - Step 5: Solve for x
x = 16,679,029,977.07/146,276.94 - Step 6: Final answer
x = 114,023.65
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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.