Finding the Fourth Proportional to 188,985.76, 283,485.12 and 100,119.04
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Solution
The fourth proportional to 188,985.76, 283,485.12 and 100,119.04 is: 150,181.99
Step by Step Solution
- Step 1: Write the proportion equation
188,985.76 : 283,485.12 = 100,119.04 : x - Step 2: Convert to fraction form
188,985.76/283,485.12 = 100,119.04/x - Step 3: Cross multiply
188,985.76x = 283,485.12 × 100,119.04 - Step 4: Simplify right side
188,985.76x = 28,382,258,068.68 - Step 5: Solve for x
x = 28,382,258,068.68/188,985.76 - Step 6: Final answer
x = 150,181.99
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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.