Finding the Fourth Proportional to 189,214.30, 283,432.65 and 130,116.70
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Solution
The fourth proportional to 189,214.30, 283,432.65 and 130,116.70 is: 194,907.68
Step by Step Solution
- Step 1: Write the proportion equation
189,214.30 : 283,432.65 = 130,116.70 : x - Step 2: Convert to fraction form
189,214.30/283,432.65 = 130,116.70/x - Step 3: Cross multiply
189,214.30x = 283,432.65 × 130,116.70 - Step 4: Simplify right side
189,214.30x = 36,879,321,090.26 - Step 5: Solve for x
x = 36,879,321,090.26/189,214.30 - Step 6: Final answer
x = 194,907.68
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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.