Finding the Fourth Proportional to 188,966.19, 260,774.04 and 104,083.05
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Solution
The fourth proportional to 188,966.19, 260,774.04 and 104,083.05 is: 143,634.99
Step by Step Solution
- Step 1: Write the proportion equation
188,966.19 : 260,774.04 = 104,083.05 : x - Step 2: Convert to fraction form
188,966.19/260,774.04 = 104,083.05/x - Step 3: Cross multiply
188,966.19x = 260,774.04 × 104,083.05 - Step 4: Simplify right side
188,966.19x = 27,142,157,444.02 - Step 5: Solve for x
x = 27,142,157,444.02/188,966.19 - Step 6: Final answer
x = 143,634.99
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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.