Finding the Fourth Proportional to 188,966.05, 260,773.13 and 104,083.12
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Solution
The fourth proportional to 188,966.05, 260,773.13 and 104,083.12 is: 143,634.70
Step by Step Solution
- Step 1: Write the proportion equation
188,966.05 : 260,773.13 = 104,083.12 : x - Step 2: Convert to fraction form
188,966.05/260,773.13 = 104,083.12/x - Step 3: Cross multiply
188,966.05x = 260,773.13 × 104,083.12 - Step 4: Simplify right side
188,966.05x = 27,142,080,982.57 - Step 5: Solve for x
x = 27,142,080,982.57/188,966.05 - Step 6: Final answer
x = 143,634.70
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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.