Finding the Fourth Proportional to 189,116.80, 283,675.20 and 155,291.20
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Solution
The fourth proportional to 189,116.80, 283,675.20 and 155,291.20 is: 232,936.80
Step by Step Solution
- Step 1: Write the proportion equation
189,116.80 : 283,675.20 = 155,291.20 : x - Step 2: Convert to fraction form
189,116.80/283,675.20 = 155,291.20/x - Step 3: Cross multiply
189,116.80x = 283,675.20 × 155,291.20 - Step 4: Simplify right side
189,116.80x = 44,052,262,218.24 - Step 5: Solve for x
x = 44,052,262,218.24/189,116.80 - Step 6: Final answer
x = 232,936.80
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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.